Compare Stocks: PDFS, AEIS, AMAT, and AMKR

Comparative Price Performance Over Time

Compare Price & Volume

Company	Current Price	50-Day Moving Average	52-Week Range	Market Cap	Beta	Avg. Volume	Today's Volume
AEIS Advanced Energy Industries	$304.28 +3.5%	$288.73	$169.35 ▼ $397.44	$11.78B	1.31	490,944 shs	426,087 shs
AMAT Applied Materials	$540.04 +2.0%	$485.47	$203.40 ▼ $739.67	$420.05B	1.6	6.04 million shs	5.90 million shs
AMKR Amkor Technology	$56.02 +5.9%	$51.37	$28.19 ▼ $96.68	$13.14B	2.21	3.67 million shs	4.34 million shs
PDFS PDF Solutions	$55.50 +4.0%	$46.96	$23.55 ▼ $71.68	$2.13B	1.66	576,326 shs	336,048 shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
AEIS Advanced Energy Industries	+3.46%	+8.80%	+13.46%	-2.25%	+72.69%
AMAT Applied Materials	+2.03%	+11.35%	+23.17%	-10.45%	+148.02%
AMKR Amkor Technology	+5.90%	+4.50%	+18.76%	-19.57%	+90.09%
PDFS PDF Solutions	+3.95%	+12.01%	+31.99%	-6.22%	+111.67%

Compare Price & Volume

Company	Current Price	50-Day Moving Average	52-Week Range	Market Cap	Beta	Avg. Volume	Today's Volume
AEIS Advanced Energy Industries	$304.28 +3.5%	$288.73	$169.35 ▼ $397.44	$11.78B	1.31	490,944 shs	426,087 shs
AMAT Applied Materials	$540.04 +2.0%	$485.47	$203.40 ▼ $739.67	$420.05B	1.6	6.04 million shs	5.90 million shs
AMKR Amkor Technology	$56.02 +5.9%	$51.37	$28.19 ▼ $96.68	$13.14B	2.21	3.67 million shs	4.34 million shs
PDFS PDF Solutions	$55.50 +4.0%	$46.96	$23.55 ▼ $71.68	$2.13B	1.66	576,326 shs	336,048 shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
AEIS Advanced Energy Industries	+3.46%	+8.80%	+13.46%	-2.25%	+72.69%
AMAT Applied Materials	+2.03%	+11.35%	+23.17%	-10.45%	+148.02%
AMKR Amkor Technology	+5.90%	+4.50%	+18.76%	-19.57%	+90.09%
PDFS PDF Solutions	+3.95%	+12.01%	+31.99%	-6.22%	+111.67%

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
AEIS Advanced Energy Industries	2.93	Moderate Buy	$409.50	34.58% Upside
AMAT Applied Materials	2.82	Moderate Buy	$629.38	16.54% Upside
AMKR Amkor Technology	2.50	Moderate Buy	$68.33	21.98% Upside
PDFS PDF Solutions	2.67	Moderate Buy	$54.00	-2.70% Downside

Current Analyst Ratings Breakdown

Latest PDFS, AEIS, AMAT, and AMKR Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target
9/28/2026	AEIS Advanced Energy Industries	Citigroup Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Reiterated Rating	Buy
9/28/2026	AMAT Applied Materials	Morgan Stanley Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Lower Price Target	Equal Weight	$642.00 ➝ $563.00
9/28/2026	AMKR Amkor Technology	Zacks Research Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Downgrade	Strong-Buy ➝ Hold
9/25/2026	PDFS PDF Solutions	Needham & Company LLC Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Initiated Coverage	Buy	$60.00
9/25/2026	PDFS PDF Solutions	Needham & Company LLC Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Initiated Coverage	Buy	$60.00
9/22/2026	AEIS Advanced Energy Industries	Cantor Fitzgerald Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Reiterated Rating	Overweight
9/21/2026	PDFS PDF Solutions	DA Davidson Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Set Price Target		$24.00
9/21/2026	PDFS PDF Solutions	UBS Group Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Reiterated Rating	Neutral
9/21/2026	PDFS PDF Solutions	DA Davidson Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Reiterated Rating	Buy	$74.00
9/9/2026	AMAT Applied Materials	Weiss Ratings Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Downgrade	Buy (B) ➝ Buy (B-)
9/8/2026	PDFS PDF Solutions	Morgan Stanley Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Initiated Coverage	Overweight	$62.00

(Data available from 10/2/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Compare Sales & Book Value

Company	Annual Revenue	Price/Sales	Cashflow	Price/Cash	Book Value	Price/Book
AEIS Advanced Energy Industries	$1.80B	6.77	$7.30 per share	41.69	$36.10 per share	8.43
AMAT Applied Materials	$28.37B	15.11	$10.30 per share	52.43	$32.29 per share	16.72
AMKR Amkor Technology	$6.71B	2.07	$4.37 per share	12.83	$18.23 per share	3.07
PDFS PDF Solutions	$219.02M	10.12	$0.72 per share	77.27	$6.86 per share	8.09

Compare Profitability & Earnings

Company	Net Income	EPS	Trailing P/E Ratio	Forward P/E Ratio	P/E Growth	Net Margins	Return on Equity (ROE)	Return on Assets (ROA)	Next Earnings Date
AEIS Advanced Energy Industries	$148.40M	$5.36	56.77	24.72	N/A	10.77%	20.75%	10.39%	11/3/2026 (Estimated)
AMAT Applied Materials	$7.00B	$11.60	46.56	29.51	1.47	30.05%	38.02%	22.09%	11/12/2026 (Estimated)
AMKR Amkor Technology	$373.89M	$2.23	25.12	20.60	0.65	7.45%	12.27%	6.47%	10/26/2026 (Estimated)
PDFS PDF Solutions	-$640K	$0.25	222.00	47.03	N/A	4.27%	7.21%	4.83%	11/5/2026 (Estimated)

Latest PDFS, AEIS, AMAT, and AMKR Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
10/26/2026	Q3 2026	AMKR Amkor Technology	$0.79	N/A	N/A	N/A	$2.03 billion	N/A
8/13/2026	Q3 2026	AMAT Applied Materials	$3.40	$3.50	+$0.10	$3.17	$8.99 billion	$9.12 billion
8/6/2026	Q2 2026	PDFS PDF Solutions	$0.2680	$0.27	+$0.0020	$0.10	$61.17 million	$61.53 million
8/3/2026	Q2 2026	AEIS Advanced Energy Industries	$2.21	$2.74	+$0.53	$1.28	$544.42 million	$574.10 million
7/27/2026	Q2 2026	AMKR Amkor Technology	$0.47	$0.70	+$0.23	$0.70	$1.81 billion	$1.90 billion

Compare Dividends

Company	Annual Payout	Dividend Yield	5-Year Annualized Dividend Growth	Payout Ratio	Years of Consecutive Growth
AEIS Advanced Energy Industries	$0.40	0.13%	N/A	7.46%	N/A
AMAT Applied Materials	$2.12	0.39%	+14.87%	18.28%	8 Years
AMKR Amkor Technology	$0.33	0.59%	+52.51%	14.80%	4 Years
PDFS PDF Solutions	N/A	N/A	N/A	N/A	N/A

Latest PDFS, AEIS, AMAT, and AMKR Dividends

Announcement	Company	Period	Amount	Yield	Ex-Dividend Date	Record Date	Payable Date
9/10/2026	AMAT Applied Materials	quarterly	$0.53	0.47%	11/19/2026	11/19/2026	12/10/2026
8/12/2026	AMKR Amkor Technology	quarterly	$0.0835	0.71%	9/2/2026	9/2/2026	9/22/2026
8/3/2026	AEIS Advanced Energy Industries	quarterly	$0.10	0.15%	8/24/2026	8/24/2026	9/4/2026

(Data available from 1/1/2013 forward)

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
AEIS Advanced Energy Industries	0.78	3.79	2.94
AMAT Applied Materials	0.20	2.42	1.79
AMKR Amkor Technology	0.50	2.17	1.91
PDFS PDF Solutions	0.17	3.45	3.45

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
AEIS Advanced Energy Industries	99.67%
AMAT Applied Materials	80.56%
AMKR Amkor Technology	42.76%
PDFS PDF Solutions	79.51%

Insider Ownership

Company	Insider Ownership
AEIS Advanced Energy Industries	1.30%
AMAT Applied Materials	0.30%
AMKR Amkor Technology	26.40%
PDFS PDF Solutions	11.08%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
AEIS Advanced Energy Industries	13,000	40.05 million	39.53 million	Optionable
AMAT Applied Materials	36,500	793.60 million	791.22 million	Optionable
AMKR Amkor Technology	30,800	248.45 million	182.86 million	Optionable
PDFS PDF Solutions	600	39.92 million	35.50 million	Optionable

PDFS, AEIS, AMAT, and AMKR Headlines

Recent News About These Companies

Comparing Rigetti Computing (NASDAQ:RGTI) & PDF Solutions (NASDAQ:PDFS)

October 2 at 5:29 AM | americanbankingnews.com

Analyzing PDF Solutions (NASDAQ:PDFS) & Fabric.AI, Inc. Common Stock (NASDAQ:FABC)

October 2 at 4:15 AM | americanbankingnews.com

3 Reasons Growth Investors Will Love PDF Solutions (PDFS)

September 30 at 1:45 PM | zacks.com

PDF Solutions, Inc. (NASDAQ:PDFS) Stock Has Average Target Price of $54.00 According to Brokerages

September 30 at 6:13 AM | marketbeat.com

95,117 Shares in PDF Solutions, Inc. $PDFS Bought by Bank of America Corp DE

September 28, 2026 | marketbeat.com

Needham initiates coverage of PDF Solutions with buy rating

September 26, 2026 | msn.com

Needham Initiates PDF Solutions at Buy With $60 Price Target

September 25, 2026 | marketscreener.comM

Bernstein Sticks to Their Buy Rating for PDF Solutions (PDFS)

September 24, 2026 | theglobeandmail.com

PDF Solutions stock gains 3.83 percent as earnings estimates rise

September 22, 2026 | ad-hoc-news.deA

Analysts Offer Insights on Technology Companies: Adobe (ADBE), Zeta Global Holdings Corp (ZETA) and PDF Solutions (PDFS)

September 22, 2026 | theglobeandmail.com

2 Stocks to Watch From the Challenging Computer-Services Industry

September 21, 2026 | zacks.com

PDF Solutions (NASDAQ:PDFS) Given Buy Rating at DA Davidson

September 21, 2026 | marketbeat.com

PDF Solutions stock gains on Exensio Aurora launch and strong AI analytics outlook

September 21, 2026 | ad-hoc-news.deA

PDF Solutions Inc PDFS

September 16, 2026 | morningstar.comM

Here is Why Growth Investors Should Buy PDF Solutions (PDFS) Now

September 14, 2026 | zacks.com

PDF Solutions (NASDAQ:PDFS) Shares Gap Down - Here's What Happened

September 14, 2026 | marketbeat.com

Squarepoint Ops LLC Trims Stock Holdings in PDF Solutions, Inc. $PDFS

September 11, 2026 | marketbeat.com

Introducing Exensio® Aurora: PDF Solutions Unveils Highly-Scalable Architecture for Exensio Analytics

September 9, 2026 | globenewswire.com

PDF Solutions CTO Sells 3,394 Shares

September 8, 2026 | fool.com

PDF Solutions Shares Rise After Morgan Stanley Initiates at Overweight

September 8, 2026 | marketscreener.comM

PDF Solutions, Inc. (NASDAQ:PDFS) Receives Average Rating of "Moderate Buy" from Brokerages

September 5, 2026 | marketbeat.com

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

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PDFS, AEIS, AMAT, and AMKR Company Descriptions

Advanced Energy Industries NASDAQ:AEIS

$304.28 +10.17 (+3.46%)

Closing price 10/2/2026 04:00 PM Eastern

Extended Trading

$305.95 +1.67 (+0.55%)

As of 10/2/2026 07:56 PM Eastern

Advanced Energy Industries, Inc. provides precision power conversion, measurement, and control solutions in the United States and internationally. The company's plasma power products offer solutions to enable innovation for semiconductor and thin film plasma processes, such as dry etch and deposition. It also provides high and low voltage power products used in a range of applications, such as semiconductor equipment, industrial production, medical and life science equipment, data centers computing, networking, and telecommunications. In addition, the company supplies sensing, controls, and instrumentation products for advanced measurement and calibration of power and temperature. Further, the company provides calibration, conversions, upgrades, and refurbishments and used equipment to companies, as well as repair services. Further, it offers warranty and after-market repair services. It offers its products through a direct sales force, independent sales representatives, channel partners, and distributors. Advanced Energy Industries, Inc. was incorporated in 1981 and is headquartered in Denver, Colorado.

Applied Materials NASDAQ:AMAT

$540.04 +10.74 (+2.03%)

Closing price 10/2/2026 04:00 PM Eastern

Extended Trading

$539.75 -0.29 (-0.05%)

As of 10/2/2026 07:59 PM Eastern

Applied Materials, Inc. engages in the provision of manufacturing equipment, services, and software to the semiconductor, display, and related industries. The company operates through three segments: Semiconductor Systems, Applied Global Services, and Display and Adjacent Markets. The Semiconductor Systems segment develops, manufactures, and sells various manufacturing equipment that is used to fabricate semiconductor chips or integrated circuits. This segment also offers various technologies, including epitaxy, ion implantation, oxidation/nitridation, rapid thermal processing, physical vapor deposition, chemical vapor deposition, chemical mechanical planarization, electrochemical deposition, atomic layer deposition, etching, and selective deposition and removal, as well as metrology and inspection tools. The Applied Global Services segment provides integrated solutions to optimize equipment and fab performance and productivity comprising spares, upgrades, services, remanufactured earlier generation equipment, and factory automation software for semiconductor, display, and other products. The Display and Adjacent Markets segment offers products for manufacturing liquid crystal displays; organic light-emitting diodes; and other display technologies for TVs, monitors, laptops, personal computers, electronic tablets, smart phones, and other consumer-oriented devices. It operates in the United States, China, Korea, Taiwan, Japan, Southeast Asia, and Europe. The company was incorporated in 1967 and is headquartered in Santa Clara, California.

Amkor Technology NASDAQ:AMKR

$56.02 +3.12 (+5.90%)

Closing price 10/2/2026 04:00 PM Eastern

Extended Trading

$56.15 +0.13 (+0.23%)

As of 10/2/2026 07:59 PM Eastern

Amkor Technology, Inc. provides outsourced semiconductor packaging and test services in the United States, Japan, Europe, the Middle East, Africa, and the Asia Pacific. It offers turnkey packaging and test services, including semiconductor wafer bump, wafer probe, wafer back-grind, package design, packaging, system-level and final test, and drop shipment services; flip chip scale package products for smartphones, tablets, and other mobile consumer electronic devices; flip chip stacked chip scale packages that are used to stack memory digital baseband, and as applications processors in mobile devices; flip-chip ball grid array packages for various networking, storage, computing, automotive, and consumer applications; and memory products for system memory or platform data storage. The company also provides wafer-level CSP packages for power management, transceivers, sensors, wireless charging, codecs, radar, and specialty silicon; wafer-level fan-out packages used in power management, transceivers, radar, and specialty silicon; silicon wafer integrated fan-out technology that replaces a laminate substrate with a thinner structure; leadframe packages for electronic devices and mixed-signal applications; and substrate-based wirebond packages used to connect a die to a substrate. In addition, it offers micro-electro-mechanical systems packages that are miniaturized mechanical and electromechanical devices; and advanced system-in-package modules used in radio frequency and front end modules, basebands, connectivity, fingerprint sensors, display and touch screen drivers, sensors and MEMS, and NAND memory and solid-state drives. Further, the company provides wafer, package, and system level test services, as well as burn-in test and test development services. It serves integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers, and contract foundries. The company was founded in 1968 and is headquartered in Tempe, Arizona.

PDF Solutions NASDAQ:PDFS

$55.50 +2.11 (+3.95%)

Closing price 10/2/2026 04:00 PM Eastern

Extended Trading

$55.53 +0.03 (+0.05%)

As of 10/2/2026 07:30 PM Eastern

PDF Solutions, Inc. provides proprietary software and physical intellectual property products for integrated circuit designs, electrical measurement hardware tools, proven methodologies, and professional services in the United States, China, Japan, and internationally. The company offers Exensio software products, such as Manufacturing Analytics that store collected data in a common environment with a consistent view for enabling product engineers to identify and analyze production yield, performance, reliability, and other issues; Process Control that provides failure detection and classification capabilities for monitoring, alarming, and controlling manufacturing tool sets; Test Operations that offer data collection and analysis capabilities; and Assembly Operations that provide device manufacturers with the capability to link assembly and packaging data, including fabrication and characterization data over the product life cycle. It also provides Design-For-Inspection (DFI) systems, such as DFI On-Chip Instruments; eProbe Non-Contact E-Beam Tool; and Characterization Vehicle (CV) system, which includes CV Test Chips and pdFasTest Electrical Testers, as well as Exensio characterization software, designed to analyze the measurements collected using the eProbe tool. In addition, the company offers Cimetrix software products that enables equipment manufacturers to provide industry standard interfaces on their products; and software-as-a-service, software related services, and characterization services. It sells its technologies and services through direct sales force, service teams, and strategic alliances to integrated device manufacturers, fabless semiconductor companies, foundries, equipment manufacturers, electronics manufacturing suppliers, original device manufacturers, out-sourced semiconductor assembly and test, and system houses. PDF Solutions, Inc. was founded in 1991 and is headquartered in Santa Clara, California.

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Compare Stocks

Comparative Price Performance Over Time

Compare Price & Volume

Compare Price Performance

Compare Price & Volume

Compare Price Performance

Compare Analyst Forecasts

Current Analyst Ratings Breakdown

Latest PDFS, AEIS, AMAT, and AMKR Analyst Ratings

Compare Sales & Book Value

Compare Profitability & Earnings

Latest PDFS, AEIS, AMAT, and AMKR Earnings

Compare Dividends

Latest PDFS, AEIS, AMAT, and AMKR Dividends

Compare Debt

Compare Ownership

Institutional Ownership

Insider Ownership

Compare Miscellaneous Stats

PDFS, AEIS, AMAT, and AMKR Headlines

Recent News About These Companies

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

PDFS, AEIS, AMAT, and AMKR Company Descriptions

Advanced Energy Industries NASDAQ:AEIS

Applied Materials NASDAQ:AMAT

Amkor Technology NASDAQ:AMKR

PDF Solutions NASDAQ:PDFS

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