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Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities.

CompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's Volume
AU Optronics Corp stock logo
AUO
AU Optronics
$4.94
+2.7%
$4.75
$2.16
$4.29
$4.75B0.731.06 million shs14,966 shs
EMCORE Co. stock logo
EMKR
EMCORE
$3.10
+1.0%
$3.10
$0.87
$3.17
$28.15M1.7486,700 shs120,529 shs
ROCG
Roth CH Acquisition IV
$1.48
+6.5%
$1.01
$7.65
$14.99
$21.96M0.0319,949 shs132,570 shs
SPI Energy Co., Ltd. stock logo
SPI
SPI Energy
$0.77
-10.4%
$0.77
$0.27
$1.75
$24.21M0.622.90 million shs44.41 million shs
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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
AU Optronics Corp stock logo
AUO
AU Optronics
+2.70%-8.01%-17.27%+2.70%-8.35%
EMCORE Co. stock logo
EMKR
EMCORE
0.00%0.00%0.00%0.00%+156.20%
ROCG
Roth CH Acquisition IV
+6.47%+17.46%+48.00%+55.79%+16.54%
SPI Energy Co., Ltd. stock logo
SPI
SPI Energy
0.00%0.00%0.00%0.00%+69.39%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
AU Optronics Corp stock logo
AUO
AU Optronics
N/AN/AN/AN/AN/AN/AN/AN/A
EMCORE Co. stock logo
EMKR
EMCORE
0.2072 of 5 stars
1.00.00.00.00.61.70.6
ROCG
Roth CH Acquisition IV
N/AN/AN/AN/AN/AN/AN/AN/A
SPI Energy Co., Ltd. stock logo
SPI
SPI Energy
N/AN/AN/AN/AN/AN/AN/AN/A
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
AU Optronics Corp stock logo
AUO
AU Optronics
0.00
N/AN/AN/A
EMCORE Co. stock logo
EMKR
EMCORE
2.00
Hold$3.00-3.23% Downside
ROCG
Roth CH Acquisition IV
0.00
N/AN/AN/A
SPI Energy Co., Ltd. stock logo
SPI
SPI Energy
0.00
N/AN/AN/A

Current Analyst Ratings Breakdown

CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
AU Optronics Corp stock logo
AUO
AU Optronics
$10.05B0.47$2.96 per share1.67$7.17 per share0.69
EMCORE Co. stock logo
EMKR
EMCORE
$81.08M0.35N/AN/A$4.97 per share0.62
ROCG
Roth CH Acquisition IV
N/AN/AN/AN/A($0.06) per shareN/A
SPI Energy Co., Ltd. stock logo
SPI
SPI Energy
$177.52M0.14N/AN/AN/A
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
AU Optronics Corp stock logo
AUO
AU Optronics
$433.98M$0.3414.53N/AN/A-0.59%-0.81%-0.42%N/A
EMCORE Co. stock logo
EMKR
EMCORE
-$31.24M-$2.92N/AN/A-42.00%-24.27%-12.59%8/4/2025 (Estimated)
ROCG
Roth CH Acquisition IV
-$180KN/A0.00N/AN/A-6,449.52%-0.66%N/A
SPI Energy Co., Ltd. stock logo
SPI
SPI Energy
-$33.42MN/A0.00N/AN/AN/AN/AN/A
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
AU Optronics Corp stock logo
AUO
AU Optronics
$0.112.23%N/A32.35%N/A
EMCORE Co. stock logo
EMKR
EMCORE
N/AN/AN/AN/AN/A
ROCG
Roth CH Acquisition IV
N/AN/AN/AN/AN/A
SPI Energy Co., Ltd. stock logo
SPI
SPI Energy
N/AN/AN/AN/AN/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
AU Optronics Corp stock logo
AUO
AU Optronics
0.49
1.56
1.29
EMCORE Co. stock logo
EMKR
EMCORE
N/A
2.83
1.62
ROCG
Roth CH Acquisition IV
N/A
0.20
0.20
SPI Energy Co., Ltd. stock logo
SPI
SPI Energy
N/AN/AN/A

Institutional Ownership

CompanyInstitutional Ownership
AU Optronics Corp stock logo
AUO
AU Optronics
6.60%
EMCORE Co. stock logo
EMKR
EMCORE
65.66%
ROCG
Roth CH Acquisition IV
67.07%
SPI Energy Co., Ltd. stock logo
SPI
SPI Energy
1.73%

Insider Ownership

CompanyInsider Ownership
AU Optronics Corp stock logo
AUO
AU Optronics
16.00%
EMCORE Co. stock logo
EMKR
EMCORE
0.94%
ROCG
Roth CH Acquisition IV
29.60%
SPI Energy Co., Ltd. stock logo
SPI
SPI Energy
24.58%
CompanyEmployeesShares OutstandingFree FloatOptionable
AU Optronics Corp stock logo
AUO
AU Optronics
52,241962.43 millionN/ANot Optionable
EMCORE Co. stock logo
EMKR
EMCORE
4709.08 million9.00 millionOptionable
ROCG
Roth CH Acquisition IV
12614.84 million10.45 millionNot Optionable
SPI Energy Co., Ltd. stock logo
SPI
SPI Energy
42031.60 million23.84 millionOptionable

Recent News About These Companies

Weekly inflation eases 0.29%
SPI AWARDS SCHOLARSHIPS
SPI Energy Co Ltd (SPIEF) Dividend History
SPIEF SPI Energy Co., Ltd.
Electricity, Gas Added to Monthly Price Indexes
Two U.S. solar production projects out of commission
SPI Energy Co Ltd (SPIEF)
Meralco, San Miguel unit sign emergency supply deal

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

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AU Optronics stock logo

AU Optronics NYSE:AUO

AU Optronics Corp. researches, develops, produces, and sells thin film transistor liquid crystal displays and other flat panel displays. The company operates through two segments, Display and Solar. The Display segment designs, develops, manufactures, assembles, and markets flat panel displays for use in televisions (TVs), TV sets, and other related products; desktop monitors; mobile PCs, such as notebooks and tablets; mobile phones; and commercial and other applications, including displays for automobiles, industrial PCs, automated teller machines, point of sale terminals, pachinko machines, medical equipment, and others. This segment serves original equipment manufacturing service providers; and brand companies. The Solar segment manufactures and sells solar materials, including ingots, solar wafers, and solar modules, as well as provides technical engineering and maintenance services for solar system projects. This segment sells its ingot and solar wafer products primarily to solar cell manufacturers; and solar modules to installers, solar system integrators, property developers, and other value-added resellers. The company also engages in the renewable energy power generation; repairing and sale support of TFT-LCD modules, as well as sale support of solar-related products; injecting and stamping parts; manufacture and sale of molds, light guide plates, liquid crystal products, backlight modules, and related parts, as well as precision plastic and metal parts; IP related business; design, development and sales of software and hardware for health care industry; manufacture, assembly, and sale of automotive parts; manufacture and sale of motorized treadmills; and planning, design, and development of construction for environmental protection and related project management. It operates in the People's Republic of China, Taiwan, Japan, Singapore, and internationally. AU Optronics Corp. was founded in 1996 and is headquartered in Hsinchu, Taiwan.

EMCORE stock logo

EMCORE NASDAQ:EMKR

$3.10 +0.03 (+0.98%)
Closing price 02/28/2025
Extended Trading
$3.10 0.00 (0.00%)
As of 02/28/2025 05:24 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

EMCORE Corporation, together with its subsidiaries, designs and manufactures fiber optic gyro, ring laser gyro, and micro electromechanical system-based inertial sensors and systems in the United States and internationally. It offers navigation system and inertial sensing products, such as gyroscopes and multi-axis sensors, inertial measurement units, fiber optic gyroscopes, quartz micro electromechanical systems, inertial navigation systems, tactical navigation, and naval and amphibious navigation, as well as radar positioning and pointing systems, and battlefield/artillery survey systems. The company sells its products through direct sales force, application engineers, third-party sales representatives, and distributors. EMCORE Corporation was founded in 1984 and is headquartered in Alhambra, California.

Roth CH Acquisition IV NASDAQ:ROCG

$1.48 +0.09 (+6.47%)
As of 06/25/2025

Roth CH Acquisition IV Co. does not have significant operations. The company focuses on effecting a merger, share exchange, asset acquisition, share purchase, reorganization, or similar business combination with one or more businesses. It intends to acquire companies operating in the business services, consumer, healthcare, technology, wellness, or sustainability sectors. The company was incorporated in 2019 and is based in Newport Beach, California.

SPI Energy stock logo

SPI Energy NASDAQ:SPI

$0.77 -0.09 (-10.42%)
Closing price 01/14/2025
Extended Trading
$0.54 -0.23 (-29.50%)
As of 01/14/2025 07:59 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

SPI Energy Co., Ltd. provides photovoltaic and electric vehicle (EV) solutions for business, residential, government, and utility customers and investors in Australia, Japan, Italy, the United States, the United Kingdom, and Greece. The company offers engineering, procurement, and construction services to independent power developers and producers, and commercial and industrial companies. It also develops, owns, and operates solar projects that sell electricity to power companies and other electricity off-takers, including government-owned utility companies. In addition, the company sells self-assembled solar modules, forklifts, pre-development solar projects, component and charging stations, as well as offers shipping, delivery, engineering, and maintenance services. As of April, 2022, it owned and operated 17.51 megawatts of solar projects. The company is headquartered in Sacramento, California.