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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
CERPQ Cereplast		$0.00	$0.01 ▼ $0.70	$29.48M	3.04	489,570 shs	9.57 million shs
PURE PURE Bioscience	$0.08 -11.1%	$0.08	$0.05 ▼ $0.21	$8.95M	0.38	56,722 shs	126 shs
SDST Stardust Power	$0.43 +4.9%	$0.37	$0.14 ▼ $12.56	$25.93M	0.23	4.52 million shs	1.89 million shs
WNDW Solarwindow Technologies	$0.55 +10.0%	$0.38	$0.05 ▼ $1.08	$29.26M	-7.26	18,945 shs	10,594 shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
CERPQ Cereplast	0.00%	0.00%	0.00%	0.00%	0.00%
PURE PURE Bioscience	+12.64%	+12.50%	+20.97%	+34.53%	+23.97%
SDST Stardust Power	+9.24%	+0.87%	-14.33%	-36.55%	-95.98%
WNDW Solarwindow Technologies	0.00%	-7.41%	+35.14%	+92.09%	+92.31%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	Dividend Strength	ESG Score	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
CERPQ Cereplast	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
PURE PURE Bioscience	0.5894 of 5 stars	0.0	5.0	0.0	0.0	0.6	1.7	0.0
SDST Stardust Power	2.9491 of 5 stars	3.6	0.0	0.0	0.0	3.1	2.5	0.6
WNDW Solarwindow Technologies	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
CERPQ Cereplast	0.00	N/A	N/A	N/A
PURE PURE Bioscience	0.00	N/A	N/A	N/A
SDST Stardust Power	3.20	Buy	$5.11	1,098.71% Upside
WNDW Solarwindow Technologies	0.00	N/A	N/A	N/A

Current Analyst Ratings Breakdown

Latest PURE, CERPQ, WNDW, and SDST Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target	Details
5/20/2025	SDST Stardust Power	Maxim Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Reiterated Rating	Buy ➝ Hold

(Data available from 8/14/2022 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
CERPQ Cereplast	N/A	N/A	N/A	N/A	N/A	N/A
PURE PURE Bioscience	$1.96M	4.57	N/A	N/A	($0.03) per share	-2.67
SDST Stardust Power	N/A	N/A	N/A	N/A	($0.37) per share	N/A
WNDW Solarwindow Technologies	N/A	N/A	N/A	N/A	N/A	N/A

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
CERPQ Cereplast	N/A	N/A	0.00	N/A	N/A	N/A	N/A	N/A	N/A
PURE PURE Bioscience	-$3.35M	-$0.04	N/A	∞	N/A	-147.72%	N/A	-334.78%	N/A
SDST Stardust Power	-$23.75M	-$0.74	N/A	N/A	N/A	N/A	N/A	-337.00%	N/A
WNDW Solarwindow Technologies	-$3.06M	N/A	0.00	∞	N/A	N/A	-61.17%	-56.00%	N/A

Latest PURE, CERPQ, WNDW, and SDST Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
8/13/2025	Q2 2025	SDST Stardust Power	-$0.03	-$0.06	-$0.03	-$0.06	N/A	N/A
7/11/2025	Q3 2025	WNDW Solarwindow Technologies	N/A	-$0.01	N/A	-$0.01	N/A	N/A
6/16/2025	Q3 2025	PURE PURE Bioscience	N/A	-$0.01	N/A	-$0.01	N/A	$0.49 million
5/14/2025	Q1 2025	SDST Stardust Power	-$0.03	-$0.03	N/A	-$0.07	N/A	N/A

Compare Dividends

Company	Annual Payout	Dividend Yield	3-Year Dividend Growth	Payout Ratio	Years of Consecutive Growth
CERPQ Cereplast	N/A	N/A	N/A	N/A	N/A
PURE PURE Bioscience	N/A	N/A	N/A	N/A	N/A
SDST Stardust Power	N/A	N/A	N/A	N/A	N/A
WNDW Solarwindow Technologies	N/A	N/A	N/A	N/A	N/A

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
CERPQ Cereplast	N/A	N/A	N/A
PURE PURE Bioscience	N/A	1.08	0.94
SDST Stardust Power	N/A	0.11	0.11
WNDW Solarwindow Technologies	N/A	8.72	8.72

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
CERPQ Cereplast	N/A
PURE PURE Bioscience	N/A
SDST Stardust Power	32.79%
WNDW Solarwindow Technologies	N/A

Insider Ownership

Company	Insider Ownership
CERPQ Cereplast	1.10%
PURE PURE Bioscience	43.54%
SDST Stardust Power	55.30%
WNDW Solarwindow Technologies	67.28%

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
CERPQ Cereplast	16	74.64 million	N/A	Not Optionable
PURE PURE Bioscience	10	111.89 million	63.17 million	Not Optionable
SDST Stardust Power	N/A	60.80 million	27.18 million	N/A
WNDW Solarwindow Technologies	7	53.20 million	17.41 million	Not Optionable

PURE, CERPQ, WNDW, and SDST Headlines

Recent News About These Companies

SolarWindow Technologies raises $3.9 million in private offering

June 21, 2025 | investing.com

SolarWindow Technologies, Inc.: SolarWindow Completes Capital Raise

June 20, 2025 | finanznachrichten.de

SolarWindow Completes Capital Raise

June 20, 2025 | globenewswire.com

Lippert welcomes SolarWindow officials to Elkhart County

December 17, 2024 | 953mnc.com9

Lippert welcomes Elon Musk's sister, SolarWindow officials to Elkhart County

December 12, 2024 | msn.com

SolarWindow and Lippert Enter into Framework Agreement

September 17, 2024 | glassmagazine.comG

SolarWindow and Lippert Enter Into Framework Agreement for Development of Transparent Electricity-Generating Glass Products

September 10, 2024 | markets.businessinsider.com

SolarWindow Technologies Inc (WNDW)

August 30, 2024 | uk.investing.com

Information Management Technology (IMT) Overview, Careers

August 27, 2024 | investopedia.com

SolarWindow Technologies, Inc. (0L7R.L)

August 13, 2024 | nz.finance.yahoo.com

SolarWindow Technologies, Inc. (WNDW)

July 21, 2024 | finance.yahoo.com

SolarWindow Technologies Inc WNDW

January 23, 2024 | morningstar.comM

Apple Watch Fall Detection: How It Works (2023)

September 9, 2023 | forbes.com

SolarWindow Files 2022 Annual Report and Provides Update on Filing of its Fiscal 2023 Quarterly Statements

September 5, 2023 | finance.yahoo.com

7 Facts You Didn’t Know About Wind Energy

September 2, 2023 | msn.com

Urbanization and Renewable Energy Awareness Propel Global Solar Windows Market to 2032

August 26, 2023 | benzinga.com

WNDW - SolarWindow Technologies, Inc.

July 11, 2023 | finance.yahoo.com

SolarWindow Appoints New Directors and Auditor to Korean Subsidiary

May 23, 2023 | finance.yahoo.com

SolarWindow Appoints New Directors and Auditor to Korean Subsidiary

May 23, 2023 | finance.yahoo.com

SolarWindow Technologies, Inc.: SolarWindow Update on Market Transaction Restrictions in the Company's Stock Pending Filing of Forms 10-K and 10-Q

March 23, 2023 | finanznachrichten.de

New MarketBeat Followers Over Time

Media Sentiment Over Time

Top Headlines

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PURE, CERPQ, WNDW, and SDST Company Descriptions

Cereplast OTCMKTS:CERPQ

Cereplast, Inc. does not have significant operation. Previously, it was involved in the development and are commercialization of bio-based resins. The company was incorporated in 2001 and is based in Zhengzhou, China.

PURE Bioscience OTCMKTS:PURE

$0.08 -0.01 (-11.11%)

As of 09:30 AM Eastern

PURE Bioscience, Inc. develops and commercializes antimicrobial products that provide solutions to the health and environmental challenges of pathogen and hygienic control in the United States and internationally. The company manufactures and distributes silver dihydrogen citrate (SDC), a non-toxic antimicrobial agent, which offers residual protection, as well as formulates with other compounds. It offers SDC-based disinfecting and sanitizing products, including PURE Hard Surface, a food contact surface sanitizer and disinfectant; PURE Control, a food contact processing aid for fresh produce and raw poultry; PURE Multi-Purpose and Floor Cleaner Concentrate to clean various resilient surfaces, including floors, glass, and food contact surfaces; and PURE Multi-Purpose Hi-Foam Cleaner Concentrate to clean stainless steel equipment, resilient floors, walls, and painted surfaces. The company also provides Axen30, a hard surface disinfectant; Axenohl, an antimicrobial formulation for use as a raw material ingredient in the manufacturing of consumer and commercial disinfecting and sanitizing products; and SILVÉRION, an antimicrobial formulation that is used against bacteria, viruses, yeasts, and molds. PURE Bioscience, Inc. was incorporated in 1992 and is headquartered in Rancho Cucamonga, California.

Stardust Power NASDAQ:SDST

$0.43 +0.02 (+4.92%)

Closing price 04:00 PM Eastern

Extended Trading

$0.42 -0.01 (-1.29%)

As of 04:26 PM Eastern

Stardust Power Inc. is a vertically-integrated lithium refinery that engages in producing battery-grade lithium. The company was founded in 2022 and is based in Greenwich, Connecticut.

Solarwindow Technologies OTCMKTS:WNDW

$0.55 +0.05 (+10.00%)

As of 03:59 PM Eastern

SolarWindow Technologies, Inc. engages in the development of transparent electricity-generating coatings and methods under LiquidElectricity Coatings brand. The company's coatings generate electricity by harvesting light energy from natural sun, artificial light, and low, shaded, or reflected light conditions, which is applied to rigid and flexible glass, and plastic surfaces to transform ordinary surfaces into organic photovoltaic devices. The company was incorporated in 1998 and is based in Scottsdale, Arizona.

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Comparative Price Performance Over Time