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 session close on Tuesday, November 18, SGML finished at $7.77, down about 3.1% on the day, with a 52‑week range of $4.25–$14.71. MarketBeat+1 Premarket trading on November 19 is now pointing sharply higher again. 1. Sigma Lithium stock today: premarket surge after a wild two‑day rally Today’s action in Sigma Lithium is the continuation of an explosive move that began