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:ACEVNASDAQ:LEDSNASDAQ:RBCNNASDAQ:TMPO 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 VolumeACEVACE Convergence Acquisition$0.01+∞$0.86$8.90▼$10.91$97K-0.0252,117 shs110 shsLEDSSemiLEDs$2.22+3.3%$2.10$0.92▼$2.94$18.21M1132,741 shs31,493 shsRBCNRubicon Technology$2.15+4.9%$2.06$0.43▼$2.49$5.11M0.91,536 shs430 shsTMPOTempo Automation$0.01+∞$0.01$0.00▼$2.88$271K0.471.13 million shs110 shsA Beginner's Guide to Investing in CannabisUnlock your free copy of MarketBeat's comprehensive guide to pot stock investing and discover which cannabis companies are poised for growth. Plus, you'll get exclusive access to our daily newsletter with expert stock recommendations from Wall Street's top analysts.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceACEVACE Convergence Acquisition0.00%0.00%-59.68%+1,011.11%+1,150.00%LEDSSemiLEDs0.00%-3.15%+15.59%+36.08%+54.68%RBCNRubicon Technology0.00%+7.50%+7.50%+4.88%+162.16%TMPOTempo Automation0.00%0.00%+900.00%+1,011.11%+1,150.00%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationACEVACE Convergence AcquisitionN/AN/AN/AN/AN/AN/AN/AN/ALEDSSemiLEDs1.6709 of 5 stars0.05.00.00.02.73.30.0RBCNRubicon TechnologyN/AN/AN/AN/AN/AN/AN/AN/ATMPOTempo AutomationN/AN/AN/AN/AN/AN/AN/AN/ACompare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceACEVACE Convergence Acquisition 0.00N/AN/AN/ALEDSSemiLEDs 0.00N/AN/AN/ARBCNRubicon Technology 0.00N/AN/AN/ATMPOTempo Automation 0.00N/AN/AN/ACompare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookACEVACE Convergence AcquisitionN/AN/A$0.00 per share48.09($5.00) per shareN/ALEDSSemiLEDs$14.78M1.23N/AN/A$0.31 per share7.16RBCNRubicon Technology$3.88M1.32$0.02 per share89.59$0.17 per share12.65TMPOTempo Automation$10.93M0.02N/AN/A($0.99) per share-0.01Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateACEVACE Convergence Acquisition$5.85MN/A0.00∞N/AN/A-110.63%-3.15%N/ALEDSSemiLEDs-$2.04M-$0.17N/A∞N/A-41.41%-81.97%-17.62%N/ARBCNRubicon Technology-$10K$0.1911.32∞N/A-29.90%-122.29%-47.56%N/ATMPOTempo Automation-$144.85MN/A0.00N/AN/AN/AN/A-428.46%N/ALatest LEDS, TMPO, ACEV, and RBCN EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails4/10/2025Q2 2025LEDSSemiLEDsN/A$0.05N/A$0.05N/A$10.87 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthACEVACE Convergence AcquisitionN/AN/AN/AN/AN/ALEDSSemiLEDsN/AN/AN/AN/AN/ARBCNRubicon Technology$11.00511.63%N/A5,789.47%N/ATMPOTempo AutomationN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioACEVACE Convergence AcquisitionN/AN/AN/ALEDSSemiLEDs0.470.770.25RBCNRubicon TechnologyN/A1.511.38TMPOTempo AutomationN/A0.180.12Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipACEVACE Convergence Acquisition41.21%LEDSSemiLEDs76.29%RBCNRubicon Technology0.01%TMPOTempo Automation35.04%Insider OwnershipCompanyInsider OwnershipACEVACE Convergence Acquisition34.20%LEDSSemiLEDs52.10%RBCNRubicon Technology3.60%TMPOTempo Automation34.20%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableACEVACE Convergence Acquisition49.70 million6.38 millionNot OptionableLEDSSemiLEDs1308.20 million3.46 millionNot OptionableRBCNRubicon Technology102.38 million2.29 millionNot OptionableTMPOTempo Automation327.14 million17.86 millionOptionableLEDS, TMPO, ACEV, and RBCN HeadlinesRecent News About These CompaniesUnderstanding musical terms TempoMarch 2, 2024 | bbc.co.ukTempo Inti Media Tbk (TMPO)February 13, 2024 | investing.comTempo Automation Holdings announces commencement of Nasdaq delisting proceedingsOctober 27, 2023 | msn.comTempo Automation Holdings, Inc. Receives a Default Notice From its Senior Lender ConsortiumSeptember 21, 2023 | finance.yahoo.comTempo Automation Holdings Inc - Ordinary Shares - Class ASeptember 6, 2023 | money.usnews.comTempo Automation Holdings, Inc.: Tempo Automation Receives Nasdaq Notification of Noncompliance with Listing Rule 5250(c)August 23, 2023 | finanznachrichten.deTempo Automation Receives Nasdaq Notification of Noncompliance with Listing Rule 5250(c)(1)August 23, 2023 | finance.yahoo.com14 Hot Penny Stocks On the MoveAugust 13, 2023 | finance.yahoo.comSan Francisco tech firm gets rid of nearly all employees, cuts CEO salary by halfJuly 18, 2023 | sfgate.comTaking a look at what insiders are doing to gauge the Tempo Automation Holdings Inc. (TMPO)’s directionJune 23, 2023 | knoxdaily.comRoth MKM Reiterates Buy on Tempo Automation Holdings, Maintains $5 Price TargetJune 23, 2023 | benzinga.comSimonelli Group explains how the Victoria Arduino Eagle Tempo improves performanceJune 21, 2023 | gcrmag.comTempo Automation Enhances Customer Experience with Advanced Customer Portal TrialsMay 22, 2023 | finance.yahoo.comTempo Automation Holdings Inc (TMPO)May 18, 2023 | investing.comTempo Automation Reports 39% Revenue DropMay 16, 2023 | circuitsassembly.comTempo Automation Holdings, Inc.: Tempo Automation Announces First Quarter Financial ResultsMay 16, 2023 | finanznachrichten.deDo Some of Your Favorite DAW Plug-Ins Lack Tempo Sync? These Useful Automation Tips Could Be the AnswerMay 11, 2023 | yahoo.com8-K: Tempo Automation Holdings, Inc.May 8, 2023 | marketwatch.comWhat's Going On With Tempo Automation Shares TodayApril 24, 2023 | msn.comWhy Is Tempo Automation (TMPO) Stock Up 114% Today?April 24, 2023 | markets.businessinsider.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeLEDS, TMPO, ACEV, and RBCN Company DescriptionsACE Convergence Acquisition NASDAQ:ACEVACE Convergence Acquisition Corp. does not have significant operations. The company focuses on effecting a merger, amalgamation, share exchange, asset acquisition, share purchase, reorganization, or other similar business combination with one or more businesses. It intends to focus on businesses in the IT infrastructure software and semiconductor sectors. ACE Convergence Acquisition Corp. was incorporated in 2020 and is based in Wilmington, Delaware.SemiLEDs NASDAQ:LEDS$2.22 +0.07 (+3.26%) Closing price 03:59 PM EasternExtended Trading$2.28 +0.06 (+2.70%) As of 04:37 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.SemiLEDs Corporation develops, manufactures, and sells light emitting diode (LED) chips, LED components, and LED modules and systems in the United States, Taiwan, the Netherlands, Germany, Japan, and internationally. The company also sells enhanced vertical, LED product series in blue, white, green, and UV; LED chips to packagers or distributors; and lighting products primarily to original design manufacturers of lighting products and the end-users of lighting devices, as well as packs and sells its LED chips. Its products are used for general lighting applications, including commercial, industrial, and residential lighting; and specialty industrial applications, such as ultraviolet or UV, curing of polymers, LED light therapy in medical/cosmetic applications, counterfeit detection, germicidal and viricidal devices LED lighting for horticulture applications, architectural lighting, and entertainment lighting. The company was incorporated in 2005 and is based in Chu-Nan, Taiwan.Rubicon Technology NASDAQ:RBCN$2.15 +0.10 (+4.88%) As of 05/9/2025 02:34 PM EasternRubicon Technology, Inc. provides monocrystalline sapphire for applications in optical and industrial systems in North America, Asia, and internationally. The company offers optical and industrial sapphire products in various shapes and sizes, including sheets, rods, tubes, core, ingots, and prisms for a range of end markets comprising defense and aerospace, specialty lighting, instrumentation, sensors and detectors, semiconductor process equipment, electronic substrates, medical, and laser applications. It serves defense subcontractors, industrial manufacturers, fabricators, and resellers. The company was incorporated in 2001 and is based in Bensenville, Illinois.Tempo Automation NASDAQ:TMPO$0.01 +0.01 (+∞) As of 05/9/2025Tempo Automation Holdings, Inc. manufactures and sells electronic products. The company produces printed circuit board assemblies (PCBAs) for prototype and on-demand production markets; and turnkey PCBA services. It serves space, semiconductor, aviation and defense, and medical device, as well as industrials and e-commerce industries. Tempo Automation Holdings, Inc. was founded in 2013 and is headquartered in San Francisco, California. On December 8, 2023, Tempo Automation Holdings, Inc., along with its affiliate, filed a voluntary petition for liquidation under Chapter 7 in the U.S. Bankruptcy Court for the District of Delaware. 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