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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
Alio Gold Inc stock logo
ALO
Alio Gold
$1.26
$1.26
$0.28
$1.35
$106.73MN/A247,715 shsN/A
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
$2.68
+1.3%
$2.50
$0.61
$4.21
$315.46M2.232.42 million shs2.11 million shs
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
$1.30
+1.6%
$1.24
$1.00
$3.16
$389.78M1.686.01 million shs7.67 million shs
NET Power Inc. stock logo
NPWR
NET Power
$2.76
+24.3%
$2.00
$1.48
$14.28
$604.63M0.51754,508 shs4.93 million shs
12 Stocks Corporate Insiders are Abandoning Cover

If a company's CEO, COO, and CFO were all selling shares of their stock, would you want to know? MarketBeat just compiled its list of the twelve stocks that corporate insiders are abandoning. Complete the form below to see which companies made the list.

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Compare Price Performance

Company1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year Performance
Alio Gold Inc stock logo
ALO
Alio Gold
0.00%0.00%0.00%0.00%0.00%
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
-2.04%-2.23%+12.61%+18.96%+89.57%
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
-5.88%-5.19%+2.40%+0.79%-58.58%
NET Power Inc. stock logo
NPWR
NET Power
+2.91%+38.30%+18.17%-66.56%-79.14%
CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & Valuation
Alio Gold Inc stock logo
ALO
Alio Gold
N/AN/AN/AN/AN/AN/AN/AN/A
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
2.6425 of 5 stars
3.63.00.00.02.51.70.6
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
2.6226 of 5 stars
3.92.00.00.03.00.01.3
NET Power Inc. stock logo
NPWR
NET Power
2.853 of 5 stars
3.34.00.00.01.71.71.3
CompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current Price
Alio Gold Inc stock logo
ALO
Alio Gold
0.00
N/AN/AN/A
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
3.14
Buy$9.50255.14% Upside
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
1.71
Reduce$2.0960.71% Upside
NET Power Inc. stock logo
NPWR
NET Power
2.67
Moderate Buy$4.0044.93% Upside

Current Analyst Ratings Breakdown

Latest ALO, BLDP, NPWR, and AMPX Analyst Ratings

DateCompanyBrokerageActionRatingPrice TargetDetails
5/12/2025
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
UBS Group
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Lower Price TargetNeutral ➝ Neutral$2.00 ➝ $1.40
4/23/2025
NET Power Inc. stock logo
NPWR
NET Power
Barclays
Subscribe to MarketBeat All Access for the recommendation accuracy rating
DowngradeEqual Weight ➝ Underweight$3.00 ➝ $2.00
4/17/2025
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
Citigroup
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Reiterated RatingNeutral ➝ Sell$1.50 ➝ $1.00
4/14/2025
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
Susquehanna
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Lower Price TargetNeutral ➝ Neutral$1.40 ➝ $1.30
3/21/2025
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
Roth Mkm
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Reiterated RatingBuy ➝ Buy$6.00 ➝ $6.00
3/21/2025
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
Oppenheimer
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Boost Price TargetOutperform ➝ Outperform$14.00 ➝ $15.00
3/21/2025
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
B. Riley
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Boost Price TargetBuy ➝ Buy$5.00 ➝ $6.00
3/21/2025
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
HC Wainwright
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Reiterated RatingBuy ➝ Buy$10.00 ➝ $10.00
3/18/2025
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
Citigroup
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Lower Price TargetNeutral$2.00 ➝ $1.50
3/14/2025
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
UBS Group
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Set Price Target$1.25
3/14/2025
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
National Bankshares
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Lower Price TargetSector Perform$2.60 ➝ $2.00
(Data available from 6/3/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)
CompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/Book
Alio Gold Inc stock logo
ALO
Alio Gold
N/AN/AN/AN/AN/AN/A
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
$32.52M9.70N/AN/A$0.67 per share3.99
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
$70.67M5.52N/AN/A$3.32 per share0.39
NET Power Inc. stock logo
NPWR
NET Power
$250K2,418.50N/AN/A$11.05 per share0.25
CompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings Date
Alio Gold Inc stock logo
ALO
Alio Gold
N/AN/A0.00N/AN/AN/AN/AN/A
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
-$36.78M-$0.41N/AN/AN/A-245.92%-71.39%-40.04%8/7/2025 (Estimated)
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
-$177.72M-$1.02N/AN/AN/A-357.78%-19.96%-17.98%8/11/2025 (Estimated)
NET Power Inc. stock logo
NPWR
NET Power
-$77.23M-$2.06N/AN/AN/AN/A6.23%1.91%8/11/2025 (Estimated)

Latest ALO, BLDP, NPWR, and AMPX Earnings

DateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails
5/12/2025Q1 2025
NET Power Inc. stock logo
NPWR
NET Power
-$0.11-$1.55-$1.44-$1.55N/AN/A
5/8/2025Q1 2025
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
-$0.09-$0.08+$0.01-$0.08$8.52 million$11.28 million
5/6/2025Q1 2025
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
-$0.12-$0.07+$0.05-$0.07$16.82 million$14.76 million
3/20/2025Q4 2024
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
-$0.11-$0.10+$0.01-$0.10$7.12 million$10.63 million
CompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive Growth
Alio Gold Inc stock logo
ALO
Alio Gold
N/AN/AN/AN/AN/A
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
N/AN/AN/AN/AN/A
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
N/AN/AN/AN/AN/A
NET Power Inc. stock logo
NPWR
NET Power
N/AN/AN/AN/AN/A
CompanyDebt-to-Equity RatioCurrent RatioQuick Ratio
Alio Gold Inc stock logo
ALO
Alio Gold
N/AN/AN/A
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
N/A
3.46
3.25
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
0.03
9.01
8.19
NET Power Inc. stock logo
NPWR
NET Power
N/A
20.96
20.96

Institutional Ownership

CompanyInstitutional Ownership
Alio Gold Inc stock logo
ALO
Alio Gold
N/A
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
5.04%
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
28.02%
NET Power Inc. stock logo
NPWR
NET Power
53.62%

Insider Ownership

CompanyInsider Ownership
Alio Gold Inc stock logo
ALO
Alio Gold
N/A
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
12.90%
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
0.16%
NET Power Inc. stock logo
NPWR
NET Power
2.71%
CompanyEmployeesShares OutstandingFree FloatOptionable
Alio Gold Inc stock logo
ALO
Alio Gold
69,30084.71 millionN/ANot Optionable
Amprius Technologies, Inc. stock logo
AMPX
Amprius Technologies
50117.93 million92.29 millionOptionable
Ballard Power Systems Inc. stock logo
BLDP
Ballard Power Systems
1,370299.83 million298.96 millionOptionable
NET Power Inc. stock logo
NPWR
NET Power
24219.07 million209.58 millionOptionable

Recent News About These Companies

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

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Alio Gold stock logo

Alio Gold NYSEAMERICAN:ALO

$1.26 0.00 (0.00%)
As of 07/1/2020

Alio Gold Inc., through its subsidiaries, engages in the acquisition, exploration, development, and operation of mineral resource properties. The company primarily mines for gold and silver. It holds 100% interests in San Francisco open pit gold mine that covers an area of approximately 53,380 hectares situated in the north central portion of the state of Sonora, Mexico; Florida Canyon open pit mine covering an area of approximately 11,886 hectares located in Nevada, the United States; and Ana Paula property situated in the state of Guerrero, Mexico. The company was formerly known as Timmins Gold Corp. and changed its name to Alio Gold Inc. in May 2017. Alio Gold Inc. was incorporated in 2005 and is headquartered in Vancouver, Canada.

Amprius Technologies stock logo

Amprius Technologies NYSE:AMPX

$2.68 +0.04 (+1.33%)
Closing price 03:59 PM Eastern
Extended Trading
$2.69 +0.02 (+0.56%)
As of 05:20 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.

Amprius Technologies, Inc. produces and sells ultra-high energy density lithium-ion batteries for mobility applications. The company offers silicon nanowire anode batteries. Its batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. The company was incorporated in 2008 and is headquartered in Fremont, California.

Ballard Power Systems stock logo

Ballard Power Systems NASDAQ:BLDP

$1.30 +0.02 (+1.56%)
Closing price 04:00 PM Eastern
Extended Trading
$1.31 +0.01 (+1.08%)
As of 05:10 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.

Ballard Power Systems Inc. engages in the design, development, manufacture, sale, and service of proton exchange membrane (PEM) fuel cell products. The company offers its products for power product comprising for bus, truck, rail, marine, stationary, and emerging market, such as material handling, off-road, and other applications. It also engages in the delivery of services, including technology solutions, after sales services, and training; and provision of engineering services, product and systems integration services, and related technology transfer for a variety of PEM fuel cell applications. It operates in the United States, Germany, Canada, China, Poland, the United Kingdom, the Netherlands, France, Denmark, Belgium, India, Taiwan, Spain, Norway, Australia, Japan, and internationally. The company has a strategic alliance with Linamar Corporation for the co-development and sale of fuel cell powertrains and components for class 1 and 2 vehicles in North America and Europe. Ballard Power Systems Inc. was founded in 1979 and is headquartered in Burnaby, Canada.

NET Power stock logo

NET Power NYSE:NPWR

$2.76 +0.54 (+24.32%)
Closing price 03:59 PM Eastern
Extended Trading
$2.82 +0.06 (+2.17%)
As of 05:22 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.

NET Power Inc. operates as a clean energy technology company. The company invents, develops, and licenses clean power generation technology. NET Power Inc. was founded in 2010 and is headquartered in Durham, North Carolina.