Calumet stock (CLMT) slips in premarket after Friday surge, with Feb 27 earnings next
New York, Feb 17, 2026, 09:20 EST — Premarket Calumet, Inc. slipped 2.1% to $28.01 in premarket action Tuesday, giving back some ground after closing Monday at $28.61—a session that saw shares jump 10.1% and hover just shy of their 52-week peak at $29.20. Oil was weaker, with U.S. WTI crude trading near $62.67 a barrel and Brent at $67.69.