SGML ▼ -5.2% - Sigma Lithium Corporation $SGML Sigma Lithium Commences Trading on Australian Securities Exchange, Expands Global Capital Markets Presence Sigma Lithium commenced trading on the Australian Securities Exchange, expanding its access to global capital markets. The stock fell 5.2% today despite the listing expansion, which typically broadens a company's investor base and liquidity options. 04-SEP-2026 07:04 AM ET