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Stocks to Compare Sections All Sections Selected Performance Chart Price & Volume MarketRank Analyst Ratings Sales & Book Value Profitability & Earnings Dividends Debt Ownership Miscellaneous Headlines About Compare OTCMKTS:ETCCNASDAQ:RAYANASDAQ:SCWONYSE:STEM On This Page Performance ChartPrice & VolumeMarketRank™Analyst RatingsSales & Book ValueProfitability & EarningsDividendsDebtOwnershipMiscellaneousHeadlinesAbout Comparison Ideas Stock Ideas Comparative Price Performance Over Time1 day7 days30 days90 days365 daysCompare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeETCCEnvironmental Tectonics$1.35+0.2%$1.49$1.15▼$2.99$12.96M0.6219,778 shs13,589 shsRAYAErayak Power Solution Group$1.91-3.7%$1.68$0.56▼$2.47$85.83M0.129,707 shs1,450 shsSCWO374Water$0.34-15.2%$0.35$0.25▼$1.99$49.74M-0.13511,784 shs7.52 million shsSTEMStem$6.47-3.6%$9.54$5.81▼$33.60$53.80M1.36377,539 shs1.70 million shs10 Stocks Set to Soar in Summer 2025Enter your email address and we'll send you MarketBeat's list of ten stocks that are set to soar in Summer 2025, despite the threat of tariffs and other economic uncertainty. These ten stocks are incredibly resilient and are likely to thrive in any economic environment.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceETCCEnvironmental Tectonics0.00%+0.82%-17.60%-20.41%-30.62%RAYAErayak Power Solution Group0.00%-14.91%+31.45%+49.49%+129.94%SCWO374Water0.00%-3.64%-15.28%+1.12%-71.35%STEMStem0.00%+1,432.23%-34.34%-7.89%-70.87%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationETCCEnvironmental TectonicsN/AN/AN/AN/AN/AN/AN/AN/ARAYAErayak Power Solution GroupN/AN/AN/AN/AN/AN/AN/AN/ASCWO374Water0.4393 of 5 stars0.01.00.00.02.03.30.0STEMStem2.6993 of 5 stars3.13.00.00.01.93.30.6Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceETCCEnvironmental Tectonics 0.00N/AN/AN/ARAYAErayak Power Solution Group 0.00N/AN/AN/ASCWO374Water 0.00N/AN/AN/ASTEMStem 2.11Hold$22.22243.68% UpsideCurrent Analyst Ratings BreakdownLatest ETCC, STEM, RAYA, and SCWO Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails6/27/2025SCWO374WaterWeiss RatingsSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingSell (E+) ➝ Sell (E+)6/11/2025SCWO374WaterWeiss RatingsSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingSell (E+) ➝ Sell (E+)5/24/2025SCWO374WaterWeiss RatingsSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingSell (E+) ➝ Sell (E+)5/10/2025SCWO374WaterWeiss RatingsSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingSell (E+) ➝ Sell (E+)5/1/2025STEMStemSusquehannaSubscribe to MarketBeat All Access for the recommendation accuracy ratingBoost Price TargetNeutral ➝ Neutral$8.00 ➝ $12.004/24/2025SCWO374WaterWeiss RatingsSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingSell (E+) ➝ Sell (E+)4/14/2025STEMStemUBS GroupSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Neutral4/8/2025SCWO374WaterWeiss RatingsSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingSell (E+) ➝ Sell (E+)(Data available from 6/30/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookETCCEnvironmental Tectonics$62.94M0.21N/AN/AN/A∞RAYAErayak Power Solution Group$30.30M2.83N/AN/A$0.59 per share3.23SCWO374Water$440K113.05N/AN/A$0.12 per share2.87STEMStem$144.58M0.37$53.88 per share0.12($48.87) per share-0.13Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateETCCEnvironmental Tectonics$13.06M$0.761.78∞N/A20.75%-89.85%16.98%N/ARAYAErayak Power Solution Group-$1.12MN/A0.00∞N/AN/AN/AN/AN/ASCWO374Water-$12.43M-$0.10N/A∞N/A-2,093.18%-119.57%-98.25%8/13/2025 (Estimated)STEMStem-$854.01M-$4.95N/AN/AN/A-532.03%-275.79%-22.00%8/5/2025 (Estimated)Latest ETCC, STEM, RAYA, and SCWO EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails6/9/2025Q4 2025ETCCEnvironmental TectonicsN/A$0.12N/A$0.45N/A$62.94 million5/15/2025Q1 2025SCWO374Water-$0.02-$0.03-$0.01-$0.03$0.10 million$0.54 million4/29/2025Q1 2025STEMStem-$4.00-$3.00+$1.00-$0.15$28.59 million$32.51 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthETCCEnvironmental TectonicsN/AN/AN/AN/AN/ARAYAErayak Power Solution GroupN/AN/AN/AN/AN/ASCWO374WaterN/AN/AN/AN/AN/ASTEMStemN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioETCCEnvironmental TectonicsN/A1.051.01RAYAErayak Power Solution Group0.152.131.56SCWO374WaterN/A4.073.41STEMStemN/A0.920.85Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipETCCEnvironmental TectonicsN/ARAYAErayak Power Solution Group0.33%SCWO374Water12.16%STEMStem61.63%Insider OwnershipCompanyInsider OwnershipETCCEnvironmental Tectonics74.80%RAYAErayak Power Solution GroupN/ASCWO374Water20.30%STEMStem10.17%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableETCCEnvironmental Tectonics3369.58 million2.41 millionNot OptionableRAYAErayak Power Solution Group12045.03 millionN/ANot OptionableSCWO374Water20144.68 million115.31 millionNot OptionableSTEMStem6608.32 million7.47 millionOptionableETCC, STEM, RAYA, and SCWO HeadlinesRecent News About These CompaniesStem (STEM) Soars 8.8%: Is Further Upside Left in the Stock?June 27 at 1:30 PM | zacks.comWatch These Renewable Energy & Battery Energy Stocks for Valuable GainsJune 18, 2025 | zacks.comStem, Inc. Announces 1-for-20 Reverse Stock SplitJune 11, 2025 | businesswire.comStem Announces Support of One of Nation's Largest Solar-Plus-Storage ProjectsJune 3, 2025 | businesswire.comVoltron Therapeutics, Inc., a Lucius Partners Portfolio Company, Announces Definitive Proof of Concept Data for its Second Oncology Candidate (VTX-0P4) in a Prostate Stem Cell Antigen (PSCA) Related Tumor Study in Combination with a Checkpoint Inhibitor (CPI) / anti-mPD-1May 29, 2025 | globenewswire.comBears are Losing Control Over Stem (STEM), Here's Why It's a 'Buy' NowMay 23, 2025 | zacks.comStem Jumps 32% in a Month: Should You Add the Stock to Your Portfolio?May 21, 2025 | zacks.comASME and ComEd Bring STEM to Life for Fifth and Sixth GradersMay 15, 2025 | businesswire.com'STEM at the Stadium' brings NH students to Fisher Cats gameMay 7, 2025 | msn.com'STEM at the Stadium' brings NH students to Fisher Cats gameMay 7, 2025 | msn.comHere Is Why Bargain Hunters Would Love Fast-paced Mover Stem (STEM)May 7, 2025 | zacks.comRenewable Energy & Battery Storage Stocks to Add to Your Portfolio NowMay 6, 2025 | zacks.comStem, Inc. (STEM) Q1 2025 Earnings Call TranscriptApril 29, 2025 | seekingalpha.comStem, Inc. (STEM) Reports Q1 Loss, Tops Revenue EstimatesApril 29, 2025 | zacks.comStem to Report Q1 Earnings: What's in the Cards for the Stock?April 25, 2025 | zacks.comStem Announces First Quarter 2025 Results Conference CallApril 8, 2025 | businesswire.comStem Drops 13% in a Month: Are the Shares Worth Buying on the Dip?March 25, 2025 | zacks.comAdia Med Leads Charge to Standardize Umbilical Cord Stem Cell Use Nationwide, Prepares Presentation for New Head of DHHS and FDAMarch 20, 2025 | newsfilecorp.comNTop Renewable Energy & Battery Storage Stocks Worth Investing in 2025March 17, 2025 | zacks.comGlobal Cryopreservation Freezers Market to Reach USD 1,233.7 Million by 2035, Driven by Advancements in Regenerative Medicine and Stem Cell Banking | Future Market Insights, Inc.March 5, 2025 | globenewswire.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeTop HeadlinesView All HeadlinesIPO Momentum Returns: 3 Stocks Rising After CoreWeave’s SurgeBy Dan Schmidt | June 20, 2025View IPO Momentum Returns: 3 Stocks Rising After CoreWeave’s SurgeBigBear.ai Poised to Benefit as Palantir Dominates AI DefenseBy Gabriel Osorio-Mazilli | June 23, 2025View BigBear.ai Poised to Benefit as Palantir Dominates AI Defense3 Notable Stocks Just Split: Which One Could Be the Big Winner?By Leo Miller | June 26, 2025View 3 Notable Stocks Just Split: Which One Could Be the Big Winner?Rocket Lab: Europe Comes Calling as Momentum BuildsBy Ryan Hasson | June 27, 2025View Rocket Lab: Europe Comes Calling as Momentum BuildsAeroVironment Will Hit New Highs This Year: Bull Flag ConfirmedBy Thomas Hughes | June 25, 2025View AeroVironment Will Hit New Highs This Year: Bull Flag ConfirmedETCC, STEM, RAYA, and SCWO Company DescriptionsEnvironmental Tectonics OTCMKTS:ETCC$1.35 +0.00 (+0.22%) As of 06/27/2025 02:08 PM EasternEnvironmental Tectonics Corporation, together with its subsidiaries, operates as an engineered solutions company in the United States and internationally. It operates in two segments, Aerospace Solutions (Aerospace) and Commercial/Industrial Systems (CIS). The Aerospace segment engages in the design, manufacture, and sale of aircrew training systems to commercial, governmental, and military defense agencies; training devices, including altitude and multiplace chambers to governmental and military defense agencies, and civil aviation organizations; and advanced disaster management simulators to governmental organizations, original equipment manufacturers, fire and emergency training schools, universities, and airports, as well as provides integrated logistics support services. The CIS segment is involved in the design, manufacture, and sale of steam and gas sterilizers to medical device and pharmaceutical manufacturers, as well as universities; and environmental testing and simulation systems primarily to commercial automotive, as well as to heating, ventilation, and air conditioning manufacturers. This segment also provides parts, as well as upgrade, maintenance, and repair services. The company markets its products through independent sales representatives and distributors. Environmental Tectonics Corporation was incorporated in 1969 and is headquartered in Southampton, Pennsylvania.Erayak Power Solution Group NASDAQ:RAYA$1.91 -0.07 (-3.74%) Closing price 06/27/2025 03:45 PM EasternExtended Trading$1.70 -0.21 (-10.81%) As of 04:02 AM 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.Erayak Power Solution Group Inc., through its subsidiaries, engages in the research and development, manufacture, and wholesale and retail of power solution products. Its product portfolio includes sine wave and off-grid inverters, inverter and gasoline generators, battery and smart chargers, and custom-designed products. The company's products are used in agricultural and industrial vehicles, recreational vehicles, electrical appliances, and outdoor living products. It operates in China, France, Poland, Mexico, and the United Kingdom. The company was incorporated in 2019 and is based in Wenzhou, the People's Republic of China. Erayak Power Solution Group Inc. operates as a subsidiary of Erayak International Limited.374Water NASDAQ:SCWO$0.34 -0.06 (-15.15%) Closing price 06/27/2025 04:00 PM EasternExtended Trading$0.41 +0.06 (+18.38%) As of 04:05 AM 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.374Water Inc. provides a technology that transforms wet wastes into recoverable resources in the United States. The company transforms wet wastes, including sewage sludge, biosolids, food waste, hazardous and non-hazardous waste, and forever chemicals. It offers AirSCWO systems, a waste stream treatment system based on supercritical water oxidation that are used to treat various hazardous and non-hazardous waste streams. It serves Industrial, agricultural, defense, oil and gas, waste management, sanitation project, environmental remediation and compliance, and municipal markets. 374Water Inc. is based in Durham, North Carolina.Stem NYSE:STEM$6.47 -0.24 (-3.64%) Closing price 06/27/2025 03:59 PM EasternExtended Trading$6.43 -0.04 (-0.56%) As of 04:46 AM 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.Stem, Inc. operates as a digitally connected, intelligent, and renewable energy storage network provider worldwide. The company offers energy storage hardware sourced from original equipment manufacturers (OEMs); edge hardware to aid in the collection of site data and real-time operation and control of the site and other optional equipment; and Athena, a software platform, which offers battery hardware and software-enabled services to operate the energy storage systems. It serves commercial and industrial enterprises, independent power producers, renewable project developers, and utilities and grid operators. The company was incorporated in 2009 and is headquartered in San Francisco, California. 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