SGML - Sigma Lithium raises reserves at flagship Brazil mine by 40% May, 08 2024 03:54 PM Sigma Lithium Corporation 2024-05-08 15:54:58 ET More on Sigma Lithium Sigma Lithium's Expansion In The Lithium Market: A Hold Through Opportunities And Challenges Sigma Lithium: Great Start But More Work To Do Seeking Alpha's Quant Rating on Sigma Lithium Resources For further details see: Sigma Lithium raises reserves at flagship Brazil mine by 40%