Sigma Lithium (SGML) Stock News Today, Nov. 19, 2025: Premarket Surge, Options Frenzy and Q3 Rebound
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.
