US Stock Market Move | Some lithium battery concept stocks rose. Sigma Lithium (SGML.US) rose more than 16%.

On Monday, some lithium battery concept stocks rose, with Sigma Lithium (SGML.US) surging more than 41% at one point during trading, and rising more than 16% by the time of writing; Lithium Argentina AG (LAR.US) rose more than 8%, and Lithium Americas (LAC.US) rose more than 1%. On the news front, on March 30, Sigma Lithium announced its full-year and fourth quarter financial results for 2025, with operating cash flow of $31 million for the year, a cash profit margin of 47% for the fourth quarter, and the signing of two prepayment sales agreements for lithium concentrate totaling $146 million. The company expects to produce 240,000 tons of lithium concentrate in 2026, with a total sustaining cost of $592 per ton, and has reduced trade finance debt by 60%, significantly improving its balance sheet.