Sigma Lithium (SGML) News Today $14.88 -0.67 (-4.31%) Closing price 05/22/2026 04:00 PM EasternExtended Trading$15.08 +0.20 (+1.34%) As of 05/22/2026 07:59 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 Massive. Learn more. Add Compare Share Share Headlines Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock SGML Latest News All Sources Trusted Sources MarketBeat Barchart Benzinga Bloomberg GlobeNewswire GuruFocus MarketWatch Motley Fool NASDAQ PR Newswire Reuters Seeking Alpha TalkMarkets The Street TipRanks The Wall Street Journal Wall Street Zen Yahoo Finance Source Sentiment refers to the positivity or negativity of each headline according to our language processing algorithm. Sentiment All Sentiments Very Positive Positive Neutral Negative Very Negative Most Recent May 2026 April 2026 March 2026 February 2026 January 2026 December 2025 November 2025 October 2025 September 2025 August 2025 July 2025 June 2025 May 2025 April 2025 March 2025 February 2025 January 2025 December 2024 November 2024 October 2024 September 2024 August 2024 July 2024 June 2024 May 2024 April 2024 March 2024 February 2024 January 2024 December 2023 November 2023 October 2023 September 2023 August 2023 July 2023 June 2023 Time Period Assessing Sigma Lithium (NasdaqCM:SGML) Valuation After Brazilian Court Ruling And Heightened Legal Uncertainty1 hour ago | finance.yahoo.comSigma Lithium (NASDAQ:SGML) Stock Rating Upgraded by Wall Street ZenMay 23 at 1:40 AM | americanbankingnews.comINVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sigma Lithium Corporation - SGMLMay 21 at 6:40 PM | prnewswire.comAnalysts Offer Insights on Materials Companies: SSR Mining (SSRM) and Sigma Lithium (SGML)May 21 at 5:40 AM | theglobeandmail.comSigma Lithium Corporation (SGML) Q1 2026 Earnings Call TranscriptMay 15, 2026 | seekingalpha.comSigma Lithium Q1 Earnings Call HighlightsMay 15, 2026 | marketbeat.comSigma Lithium Corporation (NASDAQ:SGML) Given Consensus Rating of "Hold" by AnalystsMay 13, 2026 | americanbankingnews.comSigma Lithium (NASDAQ:SGML) Shares Down 9.8% - Time to Sell?May 8, 2026 | marketbeat.comHas Sigma Lithium (SGML) Run Too Far After 225% One Year Share Price Surge?May 7, 2026 | finance.yahoo.comSigma Lithium (SGML) Valuation Check After Strong Recent Share Price MomentumMay 7, 2026 | finance.yahoo.comSigma Lithium (SGML) Projected to Post Quarterly Earnings on WednesdayMay 7, 2026 | marketbeat.comSigma Lithium (NASDAQ:SGML) Hits New 52-Week High - Should You Buy?May 6, 2026 | marketbeat.comPictet Asset Management Holding SA Has $1.32 Million Holdings in Sigma Lithium Corporation $SGMLMay 6, 2026 | marketbeat.com5 Mid-Cap Stocks With the Highest Gains in AprilApril 30, 2026 | insidermonkey.comSigma Lithium (NASDAQ:SGML) Sets New 52-Week High - Still a Buy?April 30, 2026 | marketbeat.comSigma Lithium (NASDAQ:SGML) Trading 7.6% Higher - Still a Buy?April 29, 2026 | marketbeat.comSigma Lithium Corporation (NASDAQ:SGML) Short Interest UpdateApril 29, 2026 | marketbeat.comSigma Lithium: Out Of The Fire (Upgrade To Hold From Sell)April 20, 2026 | seekingalpha.com10 Overlooked Growth Stocks to Buy NowApril 18, 2026 | insidermonkey.comWhat a Potential Lithium Shortage Could Mean for InvestorsApril 8, 2026 | baystreet.caSigma Lithium Earnings Call: Cash, Costs and GrowthApril 5, 2026 | tipranks.comSigma Lithium stock rises on $100 million bank guarantee dealApril 2, 2026 | za.investing.comSigma Lithium secures $100M bank guarantee, boosting plans to double productionApril 2, 2026 | msn.comSigma Lithium Corporation (NASDAQ:SGML) Q4 2025 earnings call transcriptApril 1, 2026 | msn.comSigma Lithium: Turning Into A Cash MachineApril 1, 2026 | seekingalpha.comSigma Lithium (SGML) Is Up 15.2% After Cash-Supported Expansion And New Offtake Deals - Has The Bull Case Changed?March 31, 2026 | finance.yahoo.comSigma Lithium Proves Shorts Wrong: Market Reversal UnderwaySigma Lithium is on track to ramp up production and drive aggressive cash flow growth that, along with debt reduction, should drive gains in 2026.March 31, 2026 | marketbeat.comSigma Lithium increases cash flow, reduces debt and signs $146 million in lithium offtake agreementsMarch 30, 2026 | msn.comSigma Lithium Corporation (SGML) Q4 2025 Earnings Call TranscriptMarch 30, 2026 | seekingalpha.comWhy Are Sigma Lithium Shares Trading Higher On Monday?March 30, 2026 | benzinga.comSigma Lithium Corporation 2025 Q4 - Results - Earnings Call PresentationMarch 30, 2026 | seekingalpha.comAssessing Sigma Lithium (SGML) Valuation After Recent Share Price WeaknessMarch 22, 2026 | finance.yahoo.comSigma Lithium Corp.March 10, 2026 | barrons.comA Look At Sigma Lithium (NasdaqCM:SGML) Valuation After Recent Volatility And Mixed Return SignalsMarch 6, 2026 | uk.finance.yahoo.comINVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sigma Lithium Corporation - SGMLMarch 3, 2026 | globenewswire.comBofA Notes Operational Risk Eased With Sigma Lithium Corporation (SGML) Mining RestartMarch 2, 2026 | insidermonkey.comINVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sigma Lithium Corporation - SGMLFebruary 26, 2026 | prnewswire.comLithium Stocks To Watch Now - February 25thFebruary 25, 2026 | marketbeat.comINVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sigma Lithium Corporation - SGMLFebruary 24, 2026 | globenewswire.comINVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sigma Lithium Corporation - SGMLFebruary 19, 2026 | prnewswire.comINVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sigma Lithium Corporation - SGMLFebruary 17, 2026 | globenewswire.comINVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sigma Lithium Corporation - SGMLFebruary 12, 2026 | prnewswire.comBrazil Mining Regulator Confirms Sigma Lithium (SGML) Sites SafetyFebruary 10, 2026 | insidermonkey.comSigma Lithium (SGML) Valuation Check After Recent Share Price Swings And Updated Fair Value ViewsFebruary 8, 2026 | finance.yahoo.comWhy Sigma Lithium (SGML) Is Up 13.4% After Regulator Confirms Waste-Pile Safety And Operations ResumeFebruary 8, 2026 | finance.yahoo.comSigma Lithium (SGML) was upgraded to a Hold Rating at Bank of America SecuritiesFebruary 5, 2026 | theglobeandmail.comSigma Lithium rises after resuming production in Brazil; BofA upgradesFebruary 3, 2026 | seekingalpha.comINVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sigma Lithium Corporation - SGMLFebruary 3, 2026 | globenewswire.comINVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Sigma Lithium Corporation - SGMLJanuary 29, 2026 | prnewswire.comINVESTOR ALERT: Pomerantz Law Firm Investigates Claims on Behalf of Investors of Sigma Lithium Corporation – SGMLJanuary 27, 2026 | globenewswire.com Get Sigma Lithium News Delivered to You Automatically Sign up to receive the latest news and ratings for SGML and its competitors with MarketBeat's FREE daily newsletter. 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SGML Media Mentions By Week SGML Media Sentiment Learn about the media sentiment score. Each headline receives a score ranging from 2 (good news) to -2 (bad news). Our company news sentiment scores track the average news sentiment of articles about each company over the most recent 7 days in order to identify companies that are receiving positive press. SGML News Sentiment▼0.300.51▲Average Computer and Technology News Sentiment SGML News Coverage Learn about the media coverage comparison. We track news headlines from hundreds of news outlets and tag them by company. This chart compares the number of articles about this company in the last seven days compared with the average number of articles about this company on a typical week. SGML Articles This Week▼43▲SGML Articles Average Week Get the Latest News and Ratings for SGML and Related Stocks Enter your email address to receive the latest news and analysts' ratings for Sigma Lithium and its competitors. 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