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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
ADN Advent Technologies	$5.16 +17.3%	$2.51	$1.71 ▼ $8.79	$11.75M	0.73	2.52 million shs	629,775 shs
BURU Nuburu	$0.18 +4.6%	$0.28	$0.13 ▼ $1.60	$13.43M	0.43	12.77 million shs	21.33 million shs
CAPC Capstone Cos.	$0.05 -11.8%	$0.04	$0.00 ▼ $0.08	$2.83M	-0.22	44,255 shs	16,749 shs
EFOI Energy Focus	$2.57	$2.18	$1.14 ▼ $2.95	$14.09M	1.54	23,453 shs	5,935 shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
ADN Advent Technologies	-13.04%	+1.15%	+121.11%	+52.25%	+36.22%
BURU Nuburu	-1.18%	0.00%	-44.74%	+4.15%	-85.94%
CAPC Capstone Cos.	-1.72%	-5.00%	+71.69%	+128.00%	+850.00%
EFOI Energy Focus	+3.83%	+35.75%	+18.66%	+26.23%	+70.89%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	Dividend Strength	ESG Score	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
ADN Advent Technologies	0.3075 of 5 stars	0.0	3.0	0.0	0.0	2.5	0.0	0.0
BURU Nuburu	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
CAPC Capstone Cos.	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
EFOI Energy Focus	1.4767 of 5 stars	0.0	5.0	0.0	0.0	3.4	1.7	0.0

Compare Analyst Forecasts

Company	Consensus Rating	Consensus Price Target	% Upside from Current Price
ADN Advent Technologies	N/A	N/A	N/A
BURU Nuburu	N/A	N/A	N/A
CAPC Capstone Cos.	N/A	N/A	N/A
EFOI Energy Focus	N/A	N/A	N/A

Compare Sales & Book Value

Company	Annual Revenue	Price/Sales	Cashflow	Price/Cash	Book Value	Price/Book
ADN Advent Technologies	$3.28M	4.20	N/A	N/A	($11.02) per share	-0.47
BURU Nuburu	$150K	93.70	N/A	N/A	($0.56) per share	-0.31
CAPC Capstone Cos.	$140K	17.83	$0.00 per share	21.60	$0.01 per share	5.03
EFOI Energy Focus	$4.86M	2.89	N/A	N/A	$0.51 per share	5.04

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
ADN Advent Technologies	-$40.99M	-$26.97	N/A	∞	N/A	N/A	N/A	-239.12%	N/A
BURU Nuburu	-$34.52M	-$456.72	N/A	∞	N/A	N/A	N/A	-692.18%	N/A
CAPC Capstone Cos.	-$960K	-$0.01	N/A	∞	N/A	N/A	N/A	-23.13%	11/12/2025 (Estimated)
EFOI Energy Focus	-$1.58M	-$0.20	N/A	∞	N/A	-26.19%	-37.67%	-19.91%	11/10/2025 (Estimated)

Latest CAPC, BURU, EFOI, and ADN Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
8/12/2025	Q2 2025	ADN Advent Technologies	N/A	-$1.42	N/A	-$1.42	N/A	N/A
8/12/2025	Q2 2025	EFOI Energy Focus	N/A	-$0.04	N/A	-$0.04	N/A	$1.14 million
6/30/2025	Q4 2025	ADN Advent Technologies	N/A	-$1.24	N/A	-$1.24	N/A	$0.13 million

Compare Dividends

Company	Annual Payout	Dividend Yield	3-Year Dividend Growth	Payout Ratio	Years of Consecutive Growth
ADN Advent Technologies	N/A	N/A	N/A	N/A	N/A
BURU Nuburu	N/A	N/A	N/A	N/A	N/A
CAPC Capstone Cos.	N/A	N/A	N/A	N/A	N/A
EFOI Energy Focus	N/A	N/A	N/A	N/A	N/A

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
ADN Advent Technologies	N/A	0.05	0.05
BURU Nuburu	N/A	0.04	0.04
CAPC Capstone Cos.	N/A	0.14	0.14
EFOI Energy Focus	N/A	2.41	0.89

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
ADN Advent Technologies	17.52%
BURU Nuburu	41.61%
CAPC Capstone Cos.	N/A
EFOI Energy Focus	3.67%

Insider Ownership

Company	Insider Ownership
ADN Advent Technologies	4.16%
BURU Nuburu	0.12%
CAPC Capstone Cos.	40.00%
EFOI Energy Focus	39.90%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
ADN Advent Technologies	200	2.67 million	2.56 million	No Data
BURU Nuburu	2	79.95 million	79.86 million	Not Optionable
CAPC Capstone Cos.	9	49.64 million	29.79 million	Not Optionable
EFOI Energy Focus	60	5.47 million	3.29 million	Not Optionable

CAPC, BURU, EFOI, and ADN Headlines

Recent News About These Companies

Insider Spends US$500k Buying More Shares In Energy Focus

August 23 at 11:50 AM | finance.yahoo.com

Energy Focus Insider Ups Holding By 19% During Year

June 26, 2025 | finance.yahoo.com

Energy focus CEO Huang buys $400k in EFOI stock

June 24, 2025 | investing.com

Energy Focus Enters Securities Purchase Agreement with CEO

June 23, 2025 | tipranks.com

Energy Focus Full Year 2024 Earnings: US$0.32 loss per share (vs US$1.33 loss in FY 2023)

March 26, 2025 | finance.yahoo.com

GLJ, Energy Fuse Form JV Aimed at CCS and EOR Projects

November 6, 2024 | hartenergy.comH

The global hive brain holds the key to rethinking energy

November 6, 2024 | gulfnews.comG

Energy Focus (NASDAQ:EFOI) Stock Quotes, Forecast and News Summary

October 30, 2024 | benzinga.com

Energy Week Brings Awareness for Sustainability on Campus

October 23, 2024 | loyolaphoenix.comL

Enphase Energy: Strategic Innovations and Market Expansion Drive Buy Rating Amid Market Challenges

October 23, 2024 | markets.businessinsider.com

DOE awards $43M for industrial projects that reduce energy, GHG emissions

October 11, 2024 | dailyenergyinsider.comD

3 energy issues to watch at Interior, DOE and EPA

October 11, 2024 | eenews.netE

Energy Focus (NASDAQ:EFOI) Stock, Insider Trading Activity

October 4, 2024 | benzinga.com

Energy Focus (NASDAQ:EFOI) Stock, Short Interest Report

October 4, 2024 | benzinga.com

Energy Focus Inc

September 28, 2024 | money.usnews.com

Oil Falls, Energy Stocks Flat As Fears Of Demand Drop Eclipse Israel-Hezbollah Conflict Escalation

September 24, 2024 | benzinga.com

America will need 'every form of energy' to meet growing demand: Francois Poirier

September 24, 2024 | foxbusiness.com

FENY, IYE: 2 Clean Energy ETFs with Over 20% Upside Potential, According to Analysts

September 16, 2024 | msn.com

EFOI Stock Earnings: Energy Focus Reported Results for Q2 2024

August 16, 2024 | investorplace.com

Dragonfly Energy Holdings Corp. (DFLI) Q2 2024 Earnings Call Transcript

August 15, 2024 | seekingalpha.com

New MarketBeat Followers Over Time

Media Sentiment Over Time

CAPC, BURU, EFOI, and ADN Company Descriptions

Advent Technologies NASDAQ:ADN

$5.16 +0.76 (+17.27%)

Closing price 04:00 PM Eastern

Extended Trading

$5.20 +0.04 (+0.68%)

As of 07:58 PM Eastern

Advent Technologies Holdings, Inc., an advanced materials and technology development company, operates in the fuel cell and hydrogen technology markets in North America, Europe, and Asia. It develops, manufactures, and assembles fuel cell systems and critical components that determine the performance of hydrogen fuel cells and other energy systems. The company offers high-temperature proton exchange membrane (HT-PEM) fuel cells, including membrane electrode assemblies, bipolar plates, and reformers, as well as provides fuel-cell stack assembly and testing services. It serves stationary power, portable power, automotive, aviation, energy storage, and sensor markets. The company is headquartered in Boston, Massachusetts.

Nuburu NYSEAMERICAN:BURU

$0.18 +0.01 (+4.64%)

Closing price 04:10 PM Eastern

Extended Trading

$0.18 +0.00 (+2.39%)

As of 07:59 PM Eastern

Nuburu, Inc. engages in high-power, high-brightness blue laser technology business for welding and 3D printing industries worldwide. The company offers Nuburu AO-150 and NUBURU BL. Its products have applications in battery, e-mobility, consumer electronics, and 3D printing metal systems. Nuburu, Inc. was founded in 2015 and is headquartered in Centennial, Colorado.

Capstone Cos. OTCMKTS:CAPC

$0.05 -0.01 (-11.75%)

As of 03:56 PM Eastern

Capstone Companies, Inc., through its subsidiaries, operates as a designer, manufacturer, and marketer of consumer products to simplify daily living through technology. The company offers Connected Chef, a purpose-built kitchen appliance tablet with an integrated platform for cooking accessories, such as cutting board, as well as Smart Mirrors. It sells its products through sales agents, as well as directly to home-goods chain retailers. The company was formerly known as CHDT Corporation and changed its name to Capstone Companies, Inc. in June 2012. Capstone Companies, Inc. was incorporated in 1996 and is headquartered in Deerfield Beach, Florida.

Energy Focus NASDAQ:EFOI

$2.57 0.00 (0.00%)

Closing price 03:59 PM Eastern

Extended Trading

$2.62 +0.05 (+1.95%)

As of 06:57 PM Eastern

Energy Focus, Inc., together with its subsidiaries, designs, develops, manufactures, markets, and sells energy-efficient lighting systems, and controls and ultraviolet-C light disinfection products in the United States and internationally. It offers military maritime market light-emitting diode (LED) lighting products, such as Military-grade Intellitube retrofit TLED and the Invisitube ultra-low EMI TLED; and Military-grade fixtures, including LED globe lights, berth lights; high-bay fixtures and LED retrofit kits to serve the United States navy and allied foreign navies. The company also provides RedCap emergency battery backup TLEDs; EnFocus lighting platform, including dimming and color tuning; and LED retrofit solutions for linear fluorescent lamps, downlights, and retrofit kits for low-bay, high-bay and office applications; LED dock lights. It sells its products to military maritime, industrial, and commercial markets through direct sales employees, independent sales representatives, lighting agents, and distributors, as well as via e-commerce. The company was formerly known as Fiberstars, Inc. and changed its name to Energy Focus, Inc. in May 2007. Energy Focus, Inc. was founded in 1985 and is headquartered in Solon, Ohio.

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Comparative Price Performance Over Time