IBM Stock After Hours Today (Dec. 23, 2025): Confluent Deal Filing, Late Trading Moves, and What to Watch Before the Market Opens Dec. 24
International Business Machines Corporation (NYSE: IBM) ended Tuesday’s regular session (December 23, 2025) modestly higher and then traded slightly softer in after-hours action—exactly the kind of muted price behavior investors often see in the final stretch before Christmas, when liquidity thins and headlines can move stocks more than usual. Below is a detailed look at IBM stock after the bell…