Caterpillar (CAT) Stock After Hours Today (Dec. 15, 2025): What to Know Before the Market Opens Tuesday
Caterpillar Inc. (NYSE: CAT) shares finished Monday’s session lower and stayed slightly softer in after-hours trading—setting up a “watch the macro” open for Tuesday, December 16. After a sharp pullback late last week, the heavy equipment bellwether is now trading in a zone where incoming U.S. economic data (and the bond market’s reaction to it) could matter as much as anything Caterpillar-specific. Below is what moved Caterpillar stock today, what’s in the news after the bell, and the key releases to have on your radar before Tuesday’s opening bell. Caterpillar stock: where CAT stands after the bell on Dec. 15