Caterpillar Inc. (NYSE: CAT) finished Tuesday’s session (Dec. 23, 2025) essentially unchanged—and the after-hours tape has been just as quiet so far. That calm is happening against a louder market backdrop: the S&P 500 closed at another record after a busy batch of U.S. economic data, while consumer sentiment data pointed to growing caution. ^[1]

With U.S. markets set for a shortened Christmas Eve session on Wednesday, Dec. 24, the biggest “before the open” takeaway for CAT holders may be practical rather than dramatic: thin liquidity and a 1:00 p.m. ET early close can make price moves look bigger than the underlying news flow. ^[2]

Caterpillar stock price after the bell: where CAT stands tonight

• Regular-session close (Tue., Dec….