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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 NYSE:AMPXNYSEARCA:IWCNYSE:LODENASDAQ:MRNSNYSEARCA:SPY 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 VolumeAMPXAmprius Technologies$2.69-4.9%$2.51$0.61▼$4.21$333.73M2.232.42 million shs2.54 million shsIWCiShares Micro-Cap ETF$119.50-0.4%$111.12$95.25▼$139.98$776.75M1.0844,565 shs13,587 shsLODEComstock$2.91-4.3%$2.39$1.26▼$10.10$78.29M1.5591,571 shs423,643 shsMRNSMarinus Pharmaceuticals$0.55-0.2%$0.55$0.22▼$1.97$30.32M1.031.75 million shs260 shsSPYSPDR S&P 500 ETF Trust$587.90-0.4%$556.18$481.80▼$613.23$623.17B1.0156.75 million shs90.40 million shsThe Next 7 Blockbuster Stocks for Growth InvestorsWondering what the next stocks will be that hit it big, with solid fundamentals? Enter your email address to see which stocks MarketBeat analysts could become the next blockbuster growth stocks.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceAMPXAmprius Technologies0.00%-0.19%+22.00%+5.28%+85.52%IWCiShares Micro-Cap ETF0.00%+1.37%+7.36%-2.99%+3.51%LODEComstock0.00%-4.59%+21.76%+21.25%+15.25%MRNSMarinus Pharmaceuticals0.00%0.00%0.00%0.00%-64.34%SPYSPDR S&P 500 ETF Trust0.00%+1.52%+5.27%-1.06%+11.75%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationAMPXAmprius Technologies2.2186 of 5 stars3.63.00.00.01.11.70.6IWCiShares Micro-Cap ETFN/AN/AN/AN/AN/AN/AN/AN/ALODEComstock1.256 of 5 stars3.00.00.00.02.30.00.6MRNSMarinus Pharmaceuticals2.4567 of 5 stars3.20.00.04.20.01.70.6SPYSPDR S&P 500 ETF TrustN/AN/AN/AN/AN/AN/AN/AN/ACompare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceAMPXAmprius Technologies 3.14Buy$9.50253.16% UpsideIWCiShares Micro-Cap ETF 2.79Moderate Buy$119.50N/ALODEComstock 2.00Hold$26.00793.47% UpsideMRNSMarinus Pharmaceuticals 2.40Hold$4.79771.56% UpsideSPYSPDR S&P 500 ETF Trust 2.74Moderate Buy$587.90N/ACurrent Analyst Ratings BreakdownLatest IWC, SPY, AMPX, MRNS, and LODE Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails3/21/2025AMPXAmprius TechnologiesRoth MkmSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$6.00 ➝ $6.003/21/2025AMPXAmprius TechnologiesOppenheimerSubscribe to MarketBeat All Access for the recommendation accuracy ratingBoost Price TargetOutperform ➝ Outperform$14.00 ➝ $15.003/21/2025AMPXAmprius TechnologiesB. RileySubscribe to MarketBeat All Access for the recommendation accuracy ratingBoost Price TargetBuy ➝ Buy$5.00 ➝ $6.003/21/2025AMPXAmprius TechnologiesHC WainwrightSubscribe to MarketBeat All Access for the recommendation accuracy ratingReiterated RatingBuy ➝ Buy$10.00 ➝ $10.00(Data available from 6/1/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookAMPXAmprius Technologies$32.52M9.76N/AN/A$0.67 per share4.01IWCiShares Micro-Cap ETFN/AN/AN/AN/AN/AN/ALODEComstock$3.38M23.19N/AN/A$0.68 per share4.28MRNSMarinus Pharmaceuticals$30.99M0.98N/AN/A$0.31 per share1.77SPYSPDR S&P 500 ETF TrustN/AN/AN/AN/AN/AN/ACompare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateAMPXAmprius Technologies-$36.78M-$0.41N/AN/AN/A-245.92%-71.39%-40.04%8/14/2025 (Estimated)IWCiShares Micro-Cap ETFN/AN/A14.24∞N/AN/AN/AN/AN/ALODEComstock$9.16M-$1.20N/AN/AN/A-1,210.13%-33.56%-23.62%N/AMRNSMarinus Pharmaceuticals-$141.40M-$2.47N/AN/AN/A-446.48%-7,831.35%-120.74%8/11/2025 (Estimated)SPYSPDR S&P 500 ETF TrustN/AN/A25.35∞N/AN/AN/AN/AN/ALatest IWC, SPY, AMPX, MRNS, and LODE EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails5/8/2025Q1 2025AMPXAmprius Technologies-$0.09-$0.08+$0.01-$0.08$8.52 million$11.28 million3/20/2025Q4 2024AMPXAmprius Technologies-$0.11-$0.10+$0.01-$0.10$7.12 million$10.63 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthAMPXAmprius TechnologiesN/AN/AN/AN/AN/AIWCiShares Micro-Cap ETF$1.401.17%N/AN/AN/ALODEComstockN/AN/AN/AN/AN/AMRNSMarinus PharmaceuticalsN/AN/AN/AN/AN/ASPYSPDR S&P 500 ETF Trust$7.171.22%N/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioAMPXAmprius TechnologiesN/A3.463.25IWCiShares Micro-Cap ETFN/AN/AN/ALODEComstock0.162.452.45MRNSMarinus PharmaceuticalsN/A1.661.47SPYSPDR S&P 500 ETF TrustN/AN/AN/ACompare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipAMPXAmprius Technologies5.04%IWCiShares Micro-Cap ETFN/ALODEComstock7.96%MRNSMarinus Pharmaceuticals98.80%SPYSPDR S&P 500 ETF Trust63.54%Insider OwnershipCompanyInsider OwnershipAMPXAmprius Technologies12.90%IWCiShares Micro-Cap ETFN/ALODEComstock4.50%MRNSMarinus Pharmaceuticals5.46%SPYSPDR S&P 500 ETF TrustN/ACompare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableAMPXAmprius Technologies50117.93 million92.29 millionOptionableIWCiShares Micro-Cap ETFN/A6.50 millionN/ANot OptionableLODEComstock3026.90 million215.10 millionOptionableMRNSMarinus Pharmaceuticals11055.22 million52.20 millionOptionableSPYSPDR S&P 500 ETF TrustN/A1.06 billionN/ANot OptionableIWC, SPY, AMPX, MRNS, and LODE HeadlinesRecent News About These CompaniesSPY Is A Buy According To The 200-Day Simple Moving Average (Technical Analysis)June 1 at 3:00 PM | seekingalpha.comSPDR S&P 500 ETF Trust Faces Outflows Amid Strong Tech PerformanceMay 31 at 12:24 PM | tipranks.comMoving Averages of the Ivy Portfolio & S&P 500: May 2025May 30 at 5:13 PM | etftrends.comThese Were the S&P 500's Best and Worst Performers in MayMay 30 at 3:29 PM | barrons.comS&P 500 Elliott Wave: Still Looking for Matching 4th WaveMay 30 at 1:24 PM | fxempire.comPCE for April Shows Economic ResilienceMay 30 at 11:32 AM | zacks.comMichigan Consumer Sentiment Remains Unchanged At 52.2; 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This is a fair market value extended hours price provided by Polygon.io. Learn more.Amprius Technologies, Inc. produces and sells ultra-high energy density lithium-ion batteries for mobility applications. The company offers silicon nanowire anode batteries. Its batteries are primarily used for existing and emerging aviation applications, including unmanned aerial systems, such as drones and high-altitude pseudo satellites. The company was incorporated in 2008 and is headquartered in Fremont, California.iShares Micro-Cap ETF NYSEARCA:IWC$119.50 -0.50 (-0.42%) Closing price 05/30/2025 04:10 PM EasternExtended Trading$119.70 +0.20 (+0.17%) As of 05/30/2025 08:00 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.iShares Micro-Cap ETF, formerly iShares Russell Microcap Index Fund, is an exchange traded fund. The Fund seeks investment results that correspond generally to the price and yield performance of the Russell Microcap Index (the Index). The Index measures the microcap sector of the United States equity market. The Index is a float-adjusted capitalization-weighted index and includes equity securities issued by issuers with total market capitalizations ranging from approximately $50 million to $550 million, though these amounts may change from time to time. The Index represents approximately 3% of the market capitalization of listed United States equity securities. The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. It invests in a range of sectors, such as financial, health care, technology, producer discretionary, energy and utilities. The Fund's investment advisor is BlackRock Fund Advisors.Comstock NYSE:LODE$2.91 -0.13 (-4.28%) Closing price 05/30/2025 04:00 PM EasternExtended Trading$2.92 +0.01 (+0.34%) As of 05/30/2025 07:57 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.Comstock Inc. engages in the systemic decarbonization business in Nevada and internationally. It operates through Renewable Energy, Mining, and Strategic and Other Investments segments. It will develop technology for the deploying of extraction and refining facilities that convert wasted and unused biomass and other natural resources; and a demonstration system to extract black mass containing lithium, graphite, nickel, cobalt, manganese, copper, aluminum, and other metals from up to lithium-ion batteries. The company also owns the Lucerne Project located in the Storey County, Nevada; and the Spring Valley Project situated in the Lyon County, Nevada. In addition, it offers upstream and downstream design, engineering, fabrication, procurement, and construction solutions; and invests in non-mining real estate investments. The company was incorporated in 2008 and is based in Virginia City, Nevada.Marinus Pharmaceuticals NASDAQ:MRNS$0.55 0.00 (-0.16%) As of 02/11/2025Marinus Pharmaceuticals, Inc., a pharmaceutical company, focuses on development and commercialization of therapeutic products for patients suffering from rare genetic epilepsies and other seizure disorders. It offers ZTALMY (ganaxolone), an oral suspension for the treatment of seizures associated with cyclin-dependent kinase-like 5 deficiency disorder for adult and pediatric patient populations in acute and chronic care, and in-patient and self-administered settings. The company's ZTALMY product candidate acts at synaptic and extrasynaptic GABAA receptors, a target for its anti-seizure, antidepressant, and anxiolytic potential. It is developing ganaxolone for treating genetic epilepsy disorders, such as PCDH19-related epilepsy, and tuberous sclerosis complex. Marinus Pharmaceuticals, Inc. has license agreement with Purdue Neuroscience Company and CyDex Pharmaceuticals, Inc.; and collaboration agreement with Orion Corporation and Tenacia Biotechnology (Shanghai) Co., Ltd. Marinus Pharmaceuticals, Inc. was incorporated in 2003 and is headquartered in Radnor, Pennsylvania.SPDR S&P 500 ETF Trust NYSEARCA:SPY$587.90 -2.15 (-0.36%) Closing price 05/30/2025 04:10 PM EasternExtended Trading$588.90 +1.00 (+0.17%) As of 05/30/2025 08:00 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.SPDR S&P 500 ETF Trust (the Trust) is a unit investment trust. The Trust seeks to provide investment results that, before expenses, correspond generally to the price and yield performance of the S&P 500 Index (the Index). The Trust seeks to achieve this investment objective by holding a portfolio of the common stocks that are included in the Index (the Portfolio), with the weight of each stock in the Portfolio substantially corresponding to the weight of such stock in the Index. The Trust invests in a range of sectors, including pharmaceuticals; oil, gas and consumable fuels; technology hardware storage and peripherals; insurance; information technology (IT) services; healthcare providers and services; semiconductors and semiconductor equipment; hotels, restaurants and leisure, communications equipment; commercial services and supplies; road and rail; real estate management and development; containers and packaging; professional services, and paper and forest products. 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