IBM stock slides nearly 5% after tariff-fueled selloff; AI push and earnings set the next test
New York, Jan 21, 2026, 05:07 EST — Premarket Shares of International Business Machines Corporation dropped $14.57, or 4.8%, closing at $291.35 in the latest session. IBM stock now sits under pressure heading into Wednesday’s trading. The blue-chip Dow took a hit, with IBM’s drop, combined with 3M’s losses, dragging the index down by about 150 points, according to MarketWatch’s…