Why Sigma Lithium Stock Surged 15% Today and Has Doubled in 1 Month
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By Neha Chamaria – Dec 9, 2025 at 3:22PMKey PointsLithium prices have hit 18-month highs.A major Chinese producer believes lithium prices could double.If Sigma Lithium can leverage higher prices to turn a profit, its stock could explode. These 10 Stocks Could Mint the Next Wave of Millionaires ›NASDAQ: SGMLSigma LithiumMarket Cap$1.2BToday's Changeangle-down(13.81%) $1.46Current Price$12.03Price as of December 9, 2025 at 3:44 PM ETThe lithium miner's cost-cutting efforts could pay off handsomely amid the ongoing surge in lithium prices.Shares of Sigma Lithium (SGML +13.81%) surged on Tuesday, rallying 15% as of 1:30 p.m. ET. With today's gains, the lithium stock has logged more than 120% gains in just one month. Lithium prices have jumped sharply in the last few days, but this could just be the beginning of something big. Image source: Getty Images. Lithium prices could explode Lithium prices shot up to an 18-month high on Dec. 9, with lithium carbonate futures price crossing 95,000 yuan, or roughly $13,400 per metric ton. The chairman of Ganfeng Lithium Group, a major Chinese lithium producer, recently projected demand for the battery metal to surge by 30% to 40% in 2026, driving lithium carbonate prices above 150,000 yuan. Sigma Lithium operates lithium mines in Brazil, producing 270,000 tonnes of lithium oxide concentrate on an annualized basis. It is also building a second plant to double capacity. ExpandNASDAQ: SGMLSigma LithiumToday's Change(13.81%) $1.46Current Price$12.03Key Data PointsMarket Cap$1BDay's Range$9.99 - $12.3052wk Range$4.25 - $13.40Volume5.7MAvg Vol5.9MGross Margin14.63%Dividend YieldN/A Lithium prices can make all the difference to Sigma Lithium's top and bottom lines. In the third quarter, for instance, although its production volume fell 27% and sales volume dropped 15% year over year, Sigma's revenue still rose by 36%, as its average selling price improved by almost 60%.Advertisement Sigma Lithium stock could become unstoppable In Q3, Sigma Lithium cut down its net loss by more than half to $11.6 million, partly because of its significant debt reduction efforts. It is aggressively paring its high-interest, short-term debt to cut costs, slashing it by 48% over the one year through November 2025. Now, if lithium prices continue to rise, it should help the lithium miner cut losses even faster and even turn profitable. That's a very luring prospect, and explains why Sigma Lithium shares have exploded lately, in tandem with lithium prices. Just remember -- commodity prices, and therefore commodity stocks like Sigma Lithium, can be volatile. About the AuthorNeha Chamaria is a contributing Motley Fool stock market analyst covering energy, industrials, utilities, and materials sectors, with a focus on dividend stocks. Prior to The Motley Fool, Neha worked on portfolio valuations for hedge funds at HSBC and authored articles as a journalist. She holds a master’s degree in finance from ICFAI and an MBA from Symbiosis University, along with certifications from the National Stock Exchange of India. Neha was honored with an all-India gold medal for her M.S. in Finance and was the first woman in her family to pursue a professional career.TMFNehamsX@nehamschamariaRead NextNov 21, 2025 •By Billy DubersteinWhy Sigma Lithium Rallied This WeekNov 17, 2025 •By Rich SmithWhy Sigma Lithium Stock Exploded Higher TodayOct 5, 2023 •By Rich SmithWhy Sigma Lithium Stock Sank 10 Percent This MorningFeb 21, 2023 •By Rich SmithWhy Sigma Lithium Stock Popped on Its Tesla NewsAug 26, 2022 •By Neha ChamariaWhy Lithium Stocks Are Jumping This Week and Could Go Higher