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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.

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
BLDP Ballard Power Systems	$1.37 -3.5%	$1.22	$1.00 ▼ $3.23	$410.77M	1.68	5.67 million shs	11.62 million shs
BYRN Byrna Technologies	$25.53 +4.9%	$19.94	$7.79 ▼ $34.78	$551.72M	2.18	486,141 shs	355,339 shs
GAUZ Gauzy	$8.58 -2.5%	$9.15	$6.78 ▼ $17.10	$163.48M	N/A	66,616 shs	33,174 shs
NPWR NET Power	$1.59 -11.7%	$2.32	$1.56 ▼ $14.28	$346.03M	0.51	662,184 shs	943,942 shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
BLDP Ballard Power Systems	-3.52%	+5.79%	+15.13%	-6.80%	-56.23%
BYRN Byrna Technologies	+4.89%	+12.81%	+25.70%	-22.16%	+104.24%
GAUZ Gauzy	-2.50%	-11.82%	-2.39%	-18.60%	+857,999,900.00%
NPWR NET Power	-12.64%	-19.08%	-29.80%	-79.50%	-86.62%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
BLDP Ballard Power Systems	3.027 of 5 stars	3.9	4.0	2.6	0.0	1.3
BYRN Byrna Technologies	3.3662 of 5 stars	3.8	2.0	2.5	2.5	1.9
GAUZ Gauzy	2.389 of 5 stars	3.3	3.0	2.3	0.0	0.6
NPWR NET Power	2.8199 of 5 stars	3.3	4.0	1.7	1.7	1.3

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
BLDP Ballard Power Systems	1.71	Reduce	$2.09	52.50% Upside
BYRN Byrna Technologies	3.50	Strong Buy	$33.00	29.26% Upside
GAUZ Gauzy	2.60	Moderate Buy	$13.50	57.34% Upside
NPWR NET Power	2.67	Moderate Buy	$4.00	151.57% Upside

Current Analyst Ratings Breakdown

Latest GAUZ, BYRN, NPWR, and BLDP Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target
5/15/2025	GAUZ Gauzy	B. Riley Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Buy ➝ Buy	$14.00 ➝ $13.00
5/14/2025	GAUZ Gauzy	Barclays Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Overweight ➝ Overweight	$15.00 ➝ $13.00
5/12/2025	BLDP Ballard Power Systems	UBS Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Neutral ➝ Neutral	$2.00 ➝ $1.40
4/23/2025	NPWR NET Power	Barclays Subscribe to MarketBeat All Access for the recommendation accuracy rating	Downgrade	Equal Weight ➝ Underweight	$3.00 ➝ $2.00
4/17/2025	BLDP Ballard Power Systems	Citigroup Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Neutral ➝ Sell	$1.50 ➝ $1.00
4/14/2025	BLDP Ballard Power Systems	Susquehanna Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Neutral ➝ Neutral	$1.40 ➝ $1.30
3/20/2025	BYRN Byrna Technologies	Roth Mkm Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Buy ➝ Buy	$33.00 ➝ $33.00
3/18/2025	BLDP Ballard Power Systems	Citigroup Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Neutral	$2.00 ➝ $1.50
3/14/2025	BLDP Ballard Power Systems	UBS Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Set Price Target		$1.25
3/14/2025	BLDP Ballard Power Systems	National Bankshares Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Sector Perform	$2.60 ➝ $2.00
3/14/2025	BLDP Ballard Power Systems	HSBC Subscribe to MarketBeat All Access for the recommendation accuracy rating	Lower Price Target	Hold	$1.90 ➝ $1.40

(Data available from 5/16/2022 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
BLDP Ballard Power Systems	$70.67M	5.81	N/A	N/A	$3.32 per share	0.41
BYRN Byrna Technologies	$95.29M	6.07	$0.33 per share	76.73	$2.39 per share	10.68
GAUZ Gauzy	$103.53M	1.58	N/A	N/A	N/A	∞
NPWR NET Power	$250K	1,384.11	N/A	N/A	$11.05 per share	0.14

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
BLDP Ballard Power Systems	-$177.72M	-$1.02	N/A	N/A	N/A	-357.78%	-19.96%	-17.98%	N/A
BYRN Byrna Technologies	$12.79M	$0.61	47.28	67.18	N/A	14.92%	15.39%	11.90%	7/8/2025 (Estimated)
GAUZ Gauzy	-$79.27M	N/A	0.00	N/A	N/A	-66.25%	N/A	-34.21%	N/A
NPWR NET Power	-$77.23M	-$2.06	N/A	N/A	N/A	N/A	6.23%	1.91%	N/A

Latest GAUZ, BYRN, NPWR, and BLDP Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
5/13/2025	Q1 2025	GAUZ Gauzy	-$0.35	-$0.54	-$0.19	-$0.58	$26.91 million	$22.37 million
5/12/2025	Q1 2025	NPWR NET Power	-$0.11	-$1.55	-$1.44	-$1.55	N/A	N/A
5/6/2025	Q1 2025	BLDP Ballard Power Systems	-$0.12	-$0.07	+$0.05	-$0.07	$16.82 million	$14.76 million
4/10/2025	Q1 2025	BYRN Byrna Technologies	$0.02	$0.07	+$0.05	$0.07	$23.26 million	$26.19 million

Compare Dividends

Company	Annual Payout	Dividend Yield	3-Year Dividend Growth	Payout Ratio	Years of Consecutive Growth
BLDP Ballard Power Systems	N/A	N/A	N/A	N/A	N/A
BYRN Byrna Technologies	N/A	N/A	N/A	N/A	N/A
GAUZ Gauzy	N/A	N/A	N/A	N/A	N/A
NPWR NET Power	N/A	N/A	N/A	N/A	N/A

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
BLDP Ballard Power Systems	0.03	9.01	8.19
BYRN Byrna Technologies	N/A	3.30	2.01
GAUZ Gauzy	0.40	1.16	0.85
NPWR NET Power	N/A	20.96	20.96

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
BLDP Ballard Power Systems	28.02%
BYRN Byrna Technologies	25.46%
GAUZ Gauzy	N/A
NPWR NET Power	53.62%

Insider Ownership

Company	Insider Ownership
BLDP Ballard Power Systems	0.16%
BYRN Byrna Technologies	11.08%
GAUZ Gauzy	N/A
NPWR NET Power	2.71%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
BLDP Ballard Power Systems	1,370	299.83 million	298.96 million	Optionable
BYRN Byrna Technologies	150	22.67 million	20.14 million	Optionable
GAUZ Gauzy	N/A	19.05 million	N/A	N/A
NPWR NET Power	24	217.63 million	209.58 million	Optionable

GAUZ, BYRN, NPWR, and BLDP Headlines

Recent News About These Companies

Lost Money on NET Power, Inc. (NPWR)? Urged to Join Class Action Before June 17, 2025 - Contact Levi & Korsinsky

May 15 at 10:30 PM | accessnewswire.com

NET POWER SHAREHOLDER ALERT BY FORMER LOUISIANA ATTORNEY GENERAL: KAHN SWICK & FOTI, LLC REMINDS INVESTORS WITH LOSSES IN EXCESS OF $100,000 of Lead Plaintiff Deadline in Class Action Lawsuit Against NET Power Inc. - NPWR

May 15 at 10:15 PM | accessnewswire.com

ROSEN, A TRUSTED AND LEADING LAW FIRM, Encourages NET Power Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - NPWR, NPWR.WS

May 15 at 5:00 PM | accessnewswire.com

Securities Fraud Class Action Filed Against NET Power, Inc. (NPWR) - Levi & Korsinsky Reminds Investors of June 17, 2025

May 15 at 2:45 PM | accessnewswire.com

The Gross Law Firm Notifies NET Power, Inc. Investors of a Class Action Lawsuit and Upcoming Deadline – NPWR

May 15 at 2:01 PM | globenewswire.com

Investor Alert: Deadline Approaching to Join NET Power, Inc. (NPWR) Class Action - Contact Levi & Korsinsky

May 15 at 12:30 PM | accessnewswire.com

Investors Urged to Contact Levi & Korsinsky for Information Before June 17, 2025 - NET Power, Inc. (NPWR)

May 15 at 7:15 AM | accessnewswire.com

NPWR INVESTOR ALERT: Bronstein, Gewirtz and Grossman, LLC Reminds Investors of NET Power Inc. to Contact the Firm Today!

May 15 at 7:00 AM | accessnewswire.com

June 17, 2025 Deadline: Contact The Gross Law Firm to Join Class Action Suit Against NPWR

May 15 at 5:45 AM | prnewswire.com

NET POWER SHAREHOLDER ALERT: CLAIMSFILER REMINDS INVESTORS WITH LOSSES IN EXCESS OF $100,000 of Lead Plaintiff Deadline in Class Action Lawsuit Against NET Power Inc. - NPWR

May 14 at 11:32 PM | investing.com

Lost Money on NET Power, Inc. (NPWR)? Contact Levi & Korsinsky Before June 17, 2025 to Join Class Action

May 14 at 11:15 PM | accessnewswire.com

NET POWER SHAREHOLDER ALERT: CLAIMSFILER REMINDS INVESTORS WITH LOSSES IN EXCESS OF $100,000 of Lead Plaintiff Deadline in Class Action Lawsuit Against NET Power Inc. - NPWR

May 14 at 10:56 PM | globenewswire.com

Recover Investment Losses: Levi & Korsinsky Files Class Action Against NET Power, Inc. (NPWR)

May 14 at 9:20 PM | accessnewswire.com

NET Power (NYSE:NPWR) Releases Quarterly Earnings Results, Misses Estimates By $1.44 EPS

May 14 at 7:13 PM | marketbeat.com

ROSEN, RECOGNIZED INVESTOR COUNSEL, Encourages NET Power Inc. Investors to Secure Counsel Before Important Deadline in Securities Class Action - NPWR, NPWR.WS

May 14 at 6:00 PM | accessnewswire.com

NPWR Investors Have Opportunity to Lead NET Power Inc. Securities Fraud Lawsuit

May 14 at 5:00 PM | prnewswire.com

Levi & Korsinsky Urges NET Power, Inc. (NPWR) Shareholders to Act Before Lead Plaintiff Deadline June 17, 2025

May 14 at 2:30 PM | accessnewswire.com

INVESTOR DEADLINE APPROACHING: Faruqi & Faruqi, LLP Investigates Claims on Behalf of Investors of NET Power

May 14 at 2:13 PM | globenewswire.com

NET Power Inc. (NPWR) Investors Who Lost Money Have Opportunity to Lead Securities Fraud Lawsuit

May 14 at 1:04 PM | gurufocus.com

Investor Alert: Deadline Approaching to Join NET Power, Inc. (NPWR) Class Action - Contact Levi & Korsinsky

May 14 at 12:45 PM | accessnewswire.com

NET Power Inc. Shareholders Who Lost Money on Their Investment are Encouraged to Contact Johnson Fistel about the Class Action Lawsuit

May 14 at 12:17 PM | globenewswire.com

New MarketBeat Followers Over Time

Media Sentiment Over Time

GAUZ, BYRN, NPWR, and BLDP Company Descriptions

Ballard Power Systems NASDAQ:BLDP

$1.37 -0.05 (-3.52%)

As of 05/15/2025 04:00 PM Eastern

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.

Byrna Technologies NASDAQ:BYRN

$25.53 +1.19 (+4.89%)

As of 05/15/2025 04:00 PM Eastern

Byrna Technologies Inc., a non-lethal defense technology company, provides non-lethal alternative solutions for law enforcement and private security. The company offers handheld personal security devices and shoulder-fired launchers without the need for background check or firearm license; and projectiles including chemical irritant, kinetic, and inert rounds. It offers self-defense aerosol products under the Byran Bad Guy Repellent brand; and accessories and related safety products, which includes carbon dioxide canisters, sighting systems, and holster under the Byran Banshee and Byran Shield brand, as well as Byrna-branded apparel. In addition, the company provides the products to the consumer market through Byrna e-commerce store and Amazon storefront, and network of local, regional and national outdoor and sporting goods stores, either directly or through distributors; and professional security market through Train the Trainer program and de-escalation methods. It operates in the United States, South Africa, Europe, South America, Asia, and Canada. The company was formerly known as Security Devices International, Inc. and changed its name to Byrna Technologies Inc. in March 2020. Byrna Technologies Inc. was incorporated in 2005 and is headquartered in Andover, Massachusetts.

Gauzy NASDAQ:GAUZ

$8.58 -0.22 (-2.50%)

As of 05/15/2025 03:59 PM Eastern

Gauzy Ltd. is a fully-integrated light and vision control company which focused on the research, development, manufacturing and marketing of vision and light control technologies. It operates principally in Germany, France, the United States, Canada, China, Singapore and Dubai. Gauzy Ltd. is headquartered in Tel Aviv, Israel.

NET Power NYSE:NPWR

$1.59 -0.21 (-11.67%)

As of 05/15/2025 03:53 PM Eastern

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.

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Comparative Price Performance Over Time