Sigma Lithium (SGML) Stock News Today, Nov. 19, 2025: Premarket Surge, Options Frenzy and Q3 Rebound
Sigma Lithium (NASDAQ: SGML) jumps again on November 19, 2025, as premarket gains, heavy call‑option activity and a Q3 revenue rebound put the lithium miner back in focus. Quick take: what’s happening with Sigma Lithium today? As of the regular