Compare Stocks: AMSC, PLUG, ATKR, and FLNC

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
AMSC American Superconductor	$30.01 -0.1%	$35.01	$24.87 ▼ $70.49	$1.46B	3.27	782,786 shs	738,003 shs
ATKR Atkore	$93.62 +0.1%	$80.32	$53.75 ▼ $94.14	$3.16B	1.68	1.48 million shs	459,994 shs
FLNC Fluence Energy	$11.32 -0.6%	$16.14	$6.60 ▼ $33.51	$2.10B	2.78	8.18 million shs	5.06 million shs
PLUG Plug Power	$2.27 +3.2%	$2.35	$1.41 ▼ $4.58	$3.07B	2.2	63.27 million shs	57.15 million shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
AMSC American Superconductor	-0.13%	-5.98%	-10.15%	-42.11%	-37.62%
ATKR Atkore	+0.02%	-0.20%	+28.33%	+10.82%	+65.17%
FLNC Fluence Energy	-0.61%	-13.85%	-22.78%	-47.32%	+51.34%
PLUG Plug Power	+3.18%	-2.16%	+1.79%	-39.95%	+45.51%

Compare Price & Volume

Company	Current Price	50-Day Moving Average	52-Week Range	Market Cap	Beta	Avg. Volume	Today's Volume
AMSC American Superconductor	$30.01 -0.1%	$35.01	$24.87 ▼ $70.49	$1.46B	3.27	782,786 shs	738,003 shs
ATKR Atkore	$93.62 +0.1%	$80.32	$53.75 ▼ $94.14	$3.16B	1.68	1.48 million shs	459,994 shs
FLNC Fluence Energy	$11.32 -0.6%	$16.14	$6.60 ▼ $33.51	$2.10B	2.78	8.18 million shs	5.06 million shs
PLUG Plug Power	$2.27 +3.2%	$2.35	$1.41 ▼ $4.58	$3.07B	2.2	63.27 million shs	57.15 million shs

The 7 Hottest IPO Stories of 2026

MarketBeat just released its list of the 7 hottest IPOs expected to hit Wall Street in 2026. See which companies are preparing to go public and why investors are watching closely.

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
AMSC American Superconductor	-0.13%	-5.98%	-10.15%	-42.11%	-37.62%
ATKR Atkore	+0.02%	-0.20%	+28.33%	+10.82%	+65.17%
FLNC Fluence Energy	-0.61%	-13.85%	-22.78%	-47.32%	+51.34%
PLUG Plug Power	+3.18%	-2.16%	+1.79%	-39.95%	+45.51%

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
AMSC American Superconductor	2.80	Moderate Buy	$55.00	83.27% Upside
ATKR Atkore	2.17	Hold	$143.33	53.10% Upside
FLNC Fluence Energy	2.09	Hold	$17.89	58.03% Upside
PLUG Plug Power	2.35	Hold	$3.59	58.04% Upside

Current Analyst Ratings Breakdown

Latest AMSC, PLUG, ATKR, and FLNC Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target
8/20/2026	FLNC Fluence Energy	Glj Research Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Downgrade	Buy ➝ Hold	$26.00 ➝ $12.89
8/14/2026	FLNC Fluence Energy	Citigroup Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Lower Price Target	Buy	$24.00 ➝ $20.00
8/12/2026	ATKR Atkore	Weiss Ratings Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Upgrade	Sell (D) ➝ Sell (D+)
8/12/2026	PLUG Plug Power	Roth Capital Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Reiterated Rating	Buy	$3.50 ➝ $5.00
8/12/2026	FLNC Fluence Energy	Zacks Research Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Downgrade	Strong-Buy ➝ Hold
8/11/2026	PLUG Plug Power	UBS Group Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Reiterated Rating	Buy	$5.00
8/11/2026	PLUG Plug Power	Craig Hallum Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Reiterated Rating	Buy
8/11/2026	PLUG Plug Power	Oppenheimer Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Reiterated Rating	Market Perform
8/11/2026	PLUG Plug Power	HC Wainwright Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Reiterated Rating	Buy	$7.00
8/10/2026	AMSC American Superconductor	Roth Capital Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Reiterated Rating	Buy	$58.00 ➝ $55.00
8/7/2026	FLNC Fluence Energy	Roth Capital Subscribe to MarketBeat All Access for the firm's recommendation accuracy rating	Set Price Target		$18.00

(Data available from 8/22/2023 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
AMSC American Superconductor	$320.87M	4.53	$3.16 per share	9.49	$11.82 per share	2.54
ATKR Atkore	$2.85B	1.11	$10.40 per share	9.00	$37.79 per share	2.48
FLNC Fluence Energy	$2.63B	0.79	N/A	N/A	$2.34 per share	4.84
PLUG Plug Power	$709.92M	4.47	N/A	N/A	$0.42 per share	5.40

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
AMSC American Superconductor	$133.81M	$3.03	9.90	35.31	N/A	42.56%	27.41%	20.63%	11/4/2026 (Estimated)
ATKR Atkore	-$15.18M	-$4.81	N/A	16.81	N/A	-5.55%	10.27%	4.90%	N/A
FLNC Fluence Energy	-$48.31M	-$0.61	N/A	125.78	N/A	-3.13%	-16.79%	-3.37%	N/A
PLUG Plug Power	-$1.63B	-$1.26	N/A	N/A	N/A	-220.59%	-56.01%	-21.09%	11/9/2026 (Estimated)

Latest AMSC, PLUG, ATKR, and FLNC Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
8/10/2026	Q2 2026	PLUG Plug Power	-$0.0778	-$0.07	+$0.0077	-$0.14	$169.11 million	$178.30 million
8/5/2026	Q1 2027	AMSC American Superconductor	$0.2025	$0.16	-$0.0425	$0.20	$87.13 million	$94.07 million
8/5/2026	Q3 2026	FLNC Fluence Energy	-$0.0039	-$0.24	-$0.2361	-$0.24	$818.57 million	$649.85 million
8/3/2026	Q3 2026	ATKR Atkore	$1.53	$1.92	+$0.39	$0.02	$756.23 million	$794.80 million
5/27/2026	Q4 2026	AMSC American Superconductor	$0.19	$0.30	+$0.11	$0.10	$82.10 million	$86.41 million

Compare Dividends

Company	Annual Payout	Dividend Yield	5-Year Annualized Dividend Growth	Payout Ratio	Years of Consecutive Growth
AMSC American Superconductor	N/A	N/A	N/A	N/A	N/A
ATKR Atkore	$1.32	1.41%	N/A	N/A	1 Years
FLNC Fluence Energy	N/A	N/A	N/A	N/A	N/A
PLUG Plug Power	N/A	N/A	N/A	N/A	N/A

Latest AMSC, PLUG, ATKR, and FLNC Dividends

Announcement	Company	Period	Amount	Yield	Ex-Dividend Date	Record Date	Payable Date
7/30/2026	ATKR Atkore	quarterly	$0.33	1.41%	8/18/2026	8/18/2026	8/28/2026

(Data available from 1/1/2013 forward)

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
AMSC American Superconductor	N/A	2.43	1.74
ATKR Atkore	0.59	2.73	2.04
FLNC Fluence Energy	0.91	1.34	0.89
PLUG Plug Power	1.29	2.32	1.32

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
AMSC American Superconductor	52.28%
ATKR Atkore	N/A
FLNC Fluence Energy	53.16%
PLUG Plug Power	43.48%

Insider Ownership

Company	Insider Ownership
AMSC American Superconductor	3.60%
ATKR Atkore	2.10%
FLNC Fluence Energy	0.69%
PLUG Plug Power	1.37%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
AMSC American Superconductor	1,195	48.44 million	46.70 million	Optionable
ATKR Atkore	5,400	33.77 million	33.06 million	Optionable
FLNC Fluence Energy	1,670	184.60 million	183.32 million	Optionable
PLUG Plug Power	2,582	1.40 billion	1.38 billion	Optionable

AMSC, PLUG, ATKR, and FLNC Headlines

Recent News About These Companies

FuelCell Energy Jumps 5%, Plug Power Climbs 4%, Bloom Energy Slips as the Hydrogen Trade Splits

August 21 at 2:04 PM | 247wallst.com

How Investors May Respond To Plug Power (PLUG) Raising 2026 Revenue Guidance Amid Ongoing Losses

August 21 at 11:40 AM | finance.yahoo.com

FuelCell Energy Sinks 8%, Bloom Energy Falls 3%, Plug Power Drops 3%: What's Behind the Hydrogen Stock Selloff?

August 20 at 1:22 PM | 247wallst.com

Plug Power’s (PLUG) Turnaround Math Finally Starts Adding Up

August 20 at 1:03 PM | finance.yahoo.com

Plug Power’s (PLUG) Turnaround Math Finally Starts Adding Up

August 20 at 9:11 AM | insidermonkey.com

Plug Power Falls 5%, Bloom Energy Sinks 8% With the 10-Year Yield Near a 52-Week High

August 18, 2026 | 247wallst.com

Plug Power (PLUG) Q2 2026 Earnings Call Transcript

August 17, 2026 | fool.com

5 Revealing Analyst Questions From Plug Power’s Q2 Earnings Call

August 17, 2026 | finance.yahoo.com

Plug Power Tested a Backup Power System With Microsoft. Here's Why the CEO Says That's Not a Real Pivot Yet.

August 16, 2026 | fool.com

Russell Investments Group Ltd. Increases Stake in Plug Power, Inc. $PLUG

August 16, 2026 | marketbeat.com

FY2026 EPS Estimates for Plug Power Raised by HC Wainwright

August 15, 2026 | americanbankingnews.com

Plug Power stock edges higher Friday: What's driving the move?

August 14, 2026 | msn.com

Plug Power Charges Ahead: Margin Expansion Sparks a Rally

...

August 13, 2026 | marketbeat.com

PLUG Q2 Deep Dive: Margin Gains and Cost Discipline, Guidance Raised

August 13, 2026 | finance.yahoo.com

FY2026 EPS Forecast for Plug Power Increased by Analyst

August 13, 2026 | marketbeat.com

HC Wainwright Reaffirms Buy Rating for Plug Power (NASDAQ:PLUG)

August 13, 2026 | americanbankingnews.com

Stock Traders Buy Large Volume of Plug Power Call Options (NASDAQ:PLUG)

August 13, 2026 | americanbankingnews.com

Plug Power (NASDAQ:PLUG) Shares Gap Up on Better-Than-Expected Earnings

August 13, 2026 | americanbankingnews.com

Plug Power Beat Estimates and Lifted Its 2026 Outlook. Here's What Comes Next for PLUG Stock.

August 12, 2026 | finance.yahoo.com

Plug Power (PLUG) Stock Looks Above Fair Value Despite Better Sales Trends

August 12, 2026 | finance.yahoo.com

These Are the Stocks Wall Street Is Betting Against the Most

August 12, 2026 | finance.yahoo.com

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Media Sentiment Over Time

Top Headlines

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AMSC, PLUG, ATKR, and FLNC Company Descriptions

American Superconductor NASDAQ:AMSC

$30.01 -0.04 (-0.13%)

As of 08/21/2026 04:00 PM Eastern

American Superconductor Corporation, together with its subsidiaries, provides megawatt-scale power resiliency solutions worldwide. The company operates through Grid and Wind segments. The Grid segment offers products and services that enable electric utilities, industrial facilities, and renewable energy project developers to connect, transmit, and distribute power under the Gridtec Solutions brand. It provides transmission planning services, which identify power grid congestion, poor power quality, and other risks; grid interconnection solutions for wind farms and solar power plants, power quality systems, and transmission and distribution cable systems; D-VAR systems used for controlling power flow and voltage in the AC transmission system; actiVAR system, a fast-switching medium-voltage reactive compensation solution; armorVAR system installed for reactive compensation, power factor correction, loss reduction, utility bill savings, and mitigation of common power quality concerns related to power converter-based generation and load devices; and D-VAR volt var optimization (VVO) that serves the distribution power grid market. This segment also offers ship protection systems, which reduce a naval ship's magnetic signature; and ON board power delivery systems, power generation systems, and propulsion systems; and transformers and rectifiers systems. The Wind segment designs wind turbine systems and licenses these designs to third parties under the Windtec Solutions brand. It also supplies power electronics and software-based control systems, engineered designs, and support services; and provides customer support services to wind turbine manufacturers. This segment's design portfolio comprises a range of drivetrains and power ratings of 2 megawatts and higher. American Superconductor Corporation was incorporated in 1987 and is headquartered in Ayer, Massachusetts.

Atkore NYSE:ATKR

$93.62 +0.13 (+0.14%)

As of 08/21/2026 03:58 PM Eastern

Atkore Inc. engages in the manufacture and sale of electrical, mechanical, safety, and infrastructure products and solutions in the United States and internationally. The company offers conduits, cables, and installation accessories. It also designs and manufactures protection and reliability solutions for critical infrastructure, such as metal framing, mechanical pipe, perimeter security, and cable management. The company offers its products under the Allied Tube & Conduit, AFC Cable Systems, Kaf-Tech, Heritage Plastics, Unistrut, Power-Strut, Cope, US Tray, FRE Composites, United Poly Systems, Calbond, and Calpipe. It serves various end markets, including new construction; maintenance, repair, and remodel; infrastructure; diversified industrials; alternative power generation; healthcare; data centers; and governments through electrical, industrial, and mechanical contractors, as well as original equipment manufacturers. The company was formerly known as Atkore International Group Inc. and changed its name to Atkore Inc. in February 2021. Atkore Inc. was founded in 1959 and is headquartered in Harvey, Illinois.

Fluence Energy NASDAQ:FLNC

$11.32 -0.07 (-0.61%)

As of 08/21/2026 04:00 PM Eastern

Fluence Energy, Inc., through its subsidiaries, offers energy storage products and solution, services, and artificial intelligence enabled software-as-a-service products for renewables and storage applications in the Americas, the Asia Pacific, Europe, the Middle East, and Africa. The company sells energy storage products with integrated hardware, software, and digital intelligence. Its energy storage products include Gridstack Pro, a large-scale front-of-the-meter application; Gridstack, a front-of-the-meter application; Sunstack, a DC-coupled energy storage product for DC-coupled solar + storage projects; Edgestack, for smaller-scale commercial and industrial use cases; and Ultrastack, for critical system requirements of distribution and transmission networks. The company also provides engineering and delivery services to support the deployment of its storage products; operational and maintenance services; and digital applications. It serves independent power producers, developer, utilities, and other generators. Fluence Energy, Inc. was founded in 2018 and is headquartered in Arlington, Virginia. Fluence Energy, Inc. is a joint venture of Siemens Aktiengesellschaft and The AES Corporation.

Plug Power NASDAQ:PLUG

$2.27 +0.07 (+3.18%)

As of 08/21/2026 04:00 PM Eastern

Plug Power Inc. develops hydrogen and fuel cell product solutions in North America, Europe, Asia, and internationally. The company offers GenDrive, a hydrogen-fueled proton exchange membrane (PEM) fuel cell system that provides power to material handling electric vehicles; GenSure, a stationary fuel cell solution that offers modular PEM fuel cell power to support the backup and grid-support power requirements of the telecommunications, transportation, and utility sectors; ProGen, a fuel cell stack and engine technology used in mobility and stationary fuel cell systems, and as engines in electric delivery vans; GenFuel, a liquid hydrogen fueling delivery, generation, storage, and dispensing system; GenCare, an ongoing Internet of Things-based maintenance and on-site service program for GenDrive fuel cell systems, GenSure fuel cell systems, GenFuel hydrogen storage and dispensing products, and ProGen fuel cell engines; and GenKey, an integrated turn-key solution for transitioning to fuel cell power. It also provides electrolyzers, a hydrogen generator for clean hydrogen production; liquefaction systems that provides liquid hydrogen to customers; cryogenic equipment for the distribution of liquified hydrogen, oxygen, argon, nitrogen and other cryogenic gases, including trailers and mobile storage equipment; and liquid hydrogen, an alternative fuel to fossil-based energy. The company sells its products through a direct product sales force, original equipment manufacturers, and dealer networks. Plug Power Inc. was incorporated in 1997 and is headquartered in Latham, New York.

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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 AMSC, PLUG, ATKR, and FLNC Analyst Ratings

Compare Sales & Book Value

Compare Profitability & Earnings

Latest AMSC, PLUG, ATKR, and FLNC Earnings

Compare Dividends

Latest AMSC, PLUG, ATKR, and FLNC Dividends

Compare Debt

Compare Ownership

Institutional Ownership

Insider Ownership

Compare Miscellaneous Stats

AMSC, PLUG, ATKR, and FLNC Headlines

Recent News About These Companies

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

AMSC, PLUG, ATKR, and FLNC Company Descriptions

American Superconductor NASDAQ:AMSC

Atkore NYSE:ATKR

Fluence Energy NASDAQ:FLNC

Plug Power NASDAQ:PLUG

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