Compare Stocks 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. 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 NASDAQ:AAOINASDAQ:ATOMNASDAQ:POETNASDAQ:TGAN 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 VolumeAAOIApplied Optoelectronics$15.65-7.6%$14.64$6.70▼$44.50$869.26M2.553.30 million shs5.02 million shsATOMAtomera$6.16-1.9%$5.12$2.31▼$17.55$189.14M1.34477,588 shs355,152 shsPOETPOET Technologies$4.26-3.4%$4.09$1.65▼$7.79$334.23M0.191.54 million shs842,377 shsTGANTransphorm$5.10$4.98$1.94▼$5.11$316.00M0.57329,669 shsN/A13 Stocks Institutional Investors Won't Stop BuyingWhich stocks are hedge funds and endowments buying in today's market? Enter your email address and we'll send you MarketBeat's list of thirteen stocks that institutional investors are buying now.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceAAOIApplied Optoelectronics-7.56%-12.47%+22.36%-28.41%+30.63%ATOMAtomera-1.91%-9.01%+40.32%+4.94%+41.94%POETPOET Technologies-3.40%-2.74%+4.41%+8.40%+124.21%TGANTransphorm0.00%0.00%0.00%0.00%+5.59%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationAAOIApplied Optoelectronics3.1076 of 5 stars3.33.00.00.03.43.30.6ATOMAtomera1.2802 of 5 stars2.51.00.00.03.81.70.0POETPOET Technologies2.7199 of 5 stars3.75.00.00.02.30.00.6TGANTransphormN/AN/AN/AN/AN/AN/AN/AN/ACompare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceAAOIApplied Optoelectronics 2.60Moderate Buy$22.0040.58% UpsideATOMAtomera 3.00Buy$7.0013.64% UpsidePOETPOET Technologies 3.33Buy$6.2546.71% UpsideTGANTransphorm 0.00N/AN/AN/ACurrent Analyst Ratings BreakdownLatest TGAN, ATOM, POET, and AAOI Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails5/9/2025AAOIApplied OptoelectronicsRaymond JamesSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetOutperform ➝ Outperform$20.00 ➝ $18.005/9/2025AAOIApplied OptoelectronicsRosenblatt SecuritiesSubscribe to MarketBeat All Access for the recommendation accuracy ratingBoost Price TargetBuy$30.004/24/2025AAOIApplied OptoelectronicsRaymond JamesSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingOutperform ➝ Outperform$20.004/22/2025AAOIApplied OptoelectronicsRosenblatt SecuritiesSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetBuy ➝ Buy$36.00 ➝ $30.004/14/2025AAOIApplied OptoelectronicsRaymond JamesSubscribe to MarketBeat All Access for the recommendation accuracy ratingLower Price TargetOutperform ➝ Outperform$31.00 ➝ $20.003/14/2025AAOIApplied OptoelectronicsRosenblatt SecuritiesSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$36.00 ➝ $36.003/7/2025AAOIApplied OptoelectronicsB. RileySubscribe to MarketBeat All Access for the recommendation accuracy ratingUpgradeSell ➝ Neutral$13.002/28/2025AAOIApplied OptoelectronicsRaymond JamesSubscribe to MarketBeat All Access for the recommendation accuracy ratingBoost Price TargetBuy$31.00(Data available from 5/31/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookAAOIApplied Optoelectronics$308.55M2.82N/AN/A$6.05 per share2.59ATOMAtomera$121K1,563.11N/AN/A$0.70 per share8.80POETPOET Technologies$199.48K1,675.54N/AN/A$0.12 per share35.50TGANTransphorm$18.76M16.85N/AN/A$0.33 per share15.45Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateAAOIApplied Optoelectronics-$56.05M-$3.86N/A25.24N/A-38.61%-22.36%-12.08%8/5/2025 (Estimated)ATOMAtomera-$18.43M-$0.66N/A∞N/A-13,655.55%-106.81%-85.16%7/28/2025 (Estimated)POETPOET Technologies-$20.27M-$0.74N/AN/AN/AN/A-194.16%-132.32%8/13/2025 (Estimated)TGANTransphorm-$30.60M-$0.69N/A∞N/A-177.91%-149.03%-86.65%N/ALatest TGAN, ATOM, POET, and AAOI EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails5/21/2025Q1 2025POETPOET Technologies-$0.09$0.08+$0.17$0.08$0.56 million$0.17 million5/8/2025Q1 2025AAOIApplied Optoelectronics-$0.04-$0.02+$0.02-$0.18$99.37 million$99.86 million5/6/2025Q1 2025ATOMAtomera-$0.14-$0.17-$0.03-$0.17N/A$0.00 million3/31/2025Q4 2024POETPOET Technologies-$0.09-$0.37-$0.28-$0.26$0.05 million$0.03 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthAAOIApplied OptoelectronicsN/AN/AN/AN/AN/AATOMAtomeraN/AN/AN/AN/AN/APOETPOET TechnologiesN/AN/AN/AN/AN/ATGANTransphormN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioAAOIApplied Optoelectronics0.361.611.06ATOMAtomera0.055.255.25POETPOET TechnologiesN/A2.202.20TGANTransphormN/A1.690.88Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipAAOIApplied Optoelectronics61.72%ATOMAtomera30.79%POETPOET Technologies1.99%TGANTransphorm66.45%Insider OwnershipCompanyInsider OwnershipAAOIApplied Optoelectronics4.96%ATOMAtomera13.00%POETPOET Technologies0.46%TGANTransphorm2.47%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableAAOIApplied Optoelectronics2,21055.54 million44.34 millionOptionableATOMAtomera2030.70 million25.04 millionOptionablePOETPOET Technologies5378.46 million77.68 millionOptionableTGANTransphorm11061.96 million60.43 millionNot OptionableTGAN, ATOM, POET, and AAOI HeadlinesRecent News About These CompaniesRenesas Completes Acquisition of TransphormJune 20, 2024 | businesswire.comTransphorm Demonstrates a Bidirectional SuperGaN Power Supply with New Reference Design for E-Mobility and Energy/Industrial MarketsJune 11, 2024 | businesswire.comKatharina G. Mcfarland Sells 3,996 Shares of Transphorm, Inc. (NASDAQ:TGAN) StockMay 25, 2024 | insidertrades.comSt. Charles County Dermatologic Surgery Joins Epiphany DermatologyMay 20, 2024 | businesswire.comTransphorm's SuperGaN at PCIM 2024: Surpassing SiC and e-mode GaN Capabilities in High Power SystemsMay 20, 2024 | businesswire.comTransphorm and Weltrend Semiconductor Release New Integrated GaN System-in-PackagesApril 24, 2024 | businesswire.comURGENT: The M&A Class Action Firm Encourages Shareholders of Transphorm, Inc. to Take Action Before the Merger Vote on April 9, 2024 - TGANMarch 26, 2024 | prnewswire.comTRANSPHORM INVESTOR ALERT by the Former Attorney General of Louisiana: Kahn Swick & Foti, LLC Investigates Adequacy of Price and Process in Proposed Sale of Transphorm, Inc. - TGANMarch 13, 2024 | businesswire.comSHAREHOLDER UPDATE: Halper Sadeh LLC Investigates JNPR, TGAN, HMSTMarch 12, 2024 | stockhouse.comTransphorm Announces Fiscal 2024 Third Quarter Results and Provides Business UpdateFebruary 20, 2024 | finance.yahoo.comTransphorm Announces Fiscal 2024 Third Quarter Results and Provides Business UpdateFebruary 20, 2024 | businesswire.comSHAREHOLDER NOTICE: Halper Sadeh LLC Investigates JNPR, TGAN, TASTJanuary 20, 2024 | stockhouse.comTransphorm Announces Two 4-Lead TO-247 Devices, Expanding Product Portfolio for High Power Server, Renewable, Industrial Power ConversionJanuary 17, 2024 | finance.yahoo.comTGAN Stock Alert: Halper Sadeh LLC Is Investigating Whether the Sale of Transphorm, Inc. Is Fair to ShareholdersJanuary 11, 2024 | tmcnet.comRenesas to buy Transphorm to expand power portfolio with GaN technologyJanuary 11, 2024 | msn.comTransphorm, Canaan And Other Big Stocks Moving Higher In Thursday's Pre-Market SessionJanuary 11, 2024 | markets.businessinsider.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeTop HeadlinesView All HeadlinesBullish NVIDIA Market Set to Surge 50% Ahead of Q1 EarningsBy Thomas Hughes | May 27, 2025View Bullish NVIDIA Market Set to Surge 50% Ahead of Q1 EarningsNavitas Soars on NVIDIA Deal: Breaking Down Its Tech and OutlookBy Leo Miller | May 27, 2025View Navitas Soars on NVIDIA Deal: Breaking Down Its Tech and OutlookQualcomm Is 5x Cheaper Than AMD, But Won’t Be for LongBy Sam Quirke | May 13, 2025View Qualcomm Is 5x Cheaper Than AMD, But Won’t Be for LongSuper Micro Computer Stock Clears New Path Higher on Saudi OrdersBy Gabriel Osorio-Mazilli | May 22, 2025View Super Micro Computer Stock Clears New Path Higher on Saudi OrdersOklo Reaches Critical Mass, Atomic Upside Still AvailableBy Thomas Hughes | May 14, 2025View Oklo Reaches Critical Mass, Atomic Upside Still AvailableTGAN, ATOM, POET, and AAOI Company DescriptionsApplied Optoelectronics NASDAQ:AAOI$15.65 -1.28 (-7.56%) Closing price 05/30/2025 04:00 PM EasternExtended Trading$15.40 -0.25 (-1.57%) As of 05/30/2025 07:46 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.Applied Optoelectronics, Inc. designs, manufactures, and sells fiber-optic networking products in the United States, Taiwan, and China. It offers optical modules, optical filters, lasers, laser components, subassemblies, transmitters and transceivers, turn-key equipment, headend, node, distribution equipment, and amplifiers. The company sells its products to internet data center operators, cable television, telecom equipment manufacturers, fiber-to-the-home, and internet service providers through its direct and indirect sales channels. Applied Optoelectronics, Inc. was incorporated in 1997 and is headquartered in Sugar Land, Texas.Atomera NASDAQ:ATOM$6.16 -0.12 (-1.91%) Closing price 05/30/2025 04:00 PM EasternExtended Trading$6.55 +0.39 (+6.33%) As of 05/30/2025 07:56 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.Atomera Incorporated engages in the developing, commercializing, and licensing proprietary processes and technologies for the semiconductor industry in North America and the Asia Pacific. The company's lead technology is the Mears Silicon Technology, a thin film of reengineered silicon that can be applied as a transistor channel enhancement to CMOS-type transistors. Its customers include foundries, integrated device manufacturers, fabless semiconductor manufacturers, original equipment manufacturers, and electronic design automation companies. The company was formerly known as Mears Technologies, Inc. and changed its name to Atomera Incorporated in January 2016. Atomera Incorporated was founded in 2001 and is headquartered in Los Gatos, California.POET Technologies NASDAQ:POET$4.26 -0.15 (-3.40%) Closing price 05/30/2025 04:00 PM EasternExtended Trading$4.38 +0.12 (+2.91%) As of 05/30/2025 07:44 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.POET Technologies Inc. designs, develops, manufactures, and sells discrete and integrated opto-electronic solutions in Canada, the United States, Singapore, and China. It offers integration solutions based on the POET Optical Interposer, a novel platform that allows the seamless integration of electronic and photonic devices into a single multi-chip module using advanced wafer-level semiconductor manufacturing techniques. It also develops photonic integrated components. The company serves the data center, telecommunications, Internet of things and industrial sensing, automotive LIDAR, optical coherence tomography for medical devices, and virtual reality systems markets. The company was formerly known as Opel Technologies Inc. and changed its name to POET Technologies Inc. in June 2013. POET Technologies Inc. was incorporated in 1972 and is headquartered in Toronto, Canada.Transphorm NASDAQ:TGANTransphorm, Inc., a semiconductor company, develops, manufactures, and sells gallium nitride (GaN) semiconductor components for high voltage power conversion applications in Mainland China, Hong Kong, Taiwan, the United States, Japan, South Korea, India, and Europe. The company's products include GaN field effect transistors in various packages. Its GaN devices allows customers to design power systems creating functional value in various end products, including smartphone power adapters/fast-chargers, power supplies for datacenter servers/communication, industrial power converters, chargers/converters/inverters for electric vehicles, and other applications. The company offers its products through regional distributors and sales representatives. Transphorm, Inc. was founded in 2007 and is headquartered in Goleta, California. More Stock Comparisions from MarketBeat Stock Comparison Ideas (A-K)5GAgricultureAirlineAmerica FirstApparelArtificial IntelligenceAutomotiveBankBiotechBitcoinBlockchainBlue ChipCanadianCannabisCasinoChatGPTChineseCloud StorageCryptocurrencyCybersecurityDefenseDividendDow 30EcommerceElectric VehiclesEnergyEntertainmenteSportsEV ChargingFertilizerGoldGroceryGrowthHealthcareHigh DividendHotelStock Comparison Ideas (L-Z)Large CapLeisureLithiumMagnificent SevenMega CapMemeMetaverseMid CapMiningMusic IndustryNanotechnologyNFTNuclear EnergyOilPharmaceuticalQuantum ComputingRenewable EnergyRestaurantRetailSemiconductorSocial MediaSolarSpaceTechnologyTelecomToyUtilityVideo GameVirtual RealityWallStreetBets More Stock Ideas from MarketBeat Stock Lists 5G Stocks Biotech Stocks Blue Chip Stocks DOW 30 Stocks FAANG Stocks Gold Stocks Large Cap Stocks Lumber Stocks Marijuana Stocks Micro Cap Stocks Oil Stocks REITs Small Cap Stocks SPACs Travel Stocks Trillion Dollar Stocks Water Stocks Warren Buffett Stocks Low Priced Stocks Penny Stock List Popular Penny Stocks Top Stocks Today Stocks on Sale Stocks Under $0.05 Stocks Under $0.10 Stocks Under $0.25 Stocks Under $0.50 Stocks Under $1 Stocks Under $2 Stocks Under $3 Stocks Under $5 Stocks Under $10 Stocks Under $20 Stocks Under $30 Stocks Under $50 Stocks By Exchange NASDAQ Stocks NYSE Stocks NYSEAMERICAN Stocks NYSEARCA Stocks NYSEMKT Stocks OTCMKTS Stocks TSX Stocks TSXV Stocks LSE Stocks BATS Stocks Latest Stock Ideas Super Micro Computer Stock Finding Upside With NVIDIA's Blackwell Ackman Takes a Swing at Amazon — Should You? Taiwan Semiconductor: Time to Buy After Strong NVIDIA Results? Intel’s Turnaround May Be the Best Bet No One’s Watching Nike’s Amazon Expansion Could Signal a Turnaround in 2025 ASML Stock Might Be the Safest Chip Play at This Price Archer Aviation Stock Steadies After Short-Seller Report e.l.f. Beauty Sees Record Surge After Earnings, Rhode Deal Get 30 Days of MarketBeat All Access for Free Sign up for MarketBeat All Access to gain access to MarketBeat's full suite of research tools. Start Your 30-Day Trial MarketBeat All Access Features Best-in-Class Portfolio Monitoring Get personalized stock ideas. Compare portfolio to indices. Check stock news, ratings, SEC filings, and more. Stock Ideas and Recommendations See daily stock ideas from top analysts. Receive short-term trading ideas from MarketBeat. Identify trending stocks on social media. Advanced Stock Screeners and Research Tools Use our seven stock screeners to find suitable stocks. Stay informed with MarketBeat's real-time news. Export data to Excel for personal analysis. Sign in to your free account to enjoy these benefits In-depth profiles and analysis for 20,000 public companies. Real-time analyst ratings, insider transactions, earnings data, and more. Our daily ratings and market update email newsletter. Sign in to your free account to enjoy all that MarketBeat has to offer. Sign In Create Account Your Email Address: Email Address Required Your Password: Password Required Log In or Sign in with Facebook Sign in with Google Forgot your password? Your Email Address: Please enter your email address. Please enter a valid email address Choose a Password: Please enter your password. Your password must be at least 8 characters long and contain at least 1 number, 1 letter, and 1 special character. Create My Account (Free) or Sign in with Facebook Sign in with Google By creating a free account, you agree to our terms of service. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
