Caterpillar stock heads into the open after a 4.1 percent slide

At the close on September 14, 2026, Caterpillar stock finished at USD 784.00 on the NYSE, down 4.1 percent after AI slowdown worries hit data center and equipment names. Trading volume outpaced recent averages as the S&P 500 also declined.

Caterpillar stock closed at USD 784.00 on the NYSE on September 14, 2026, down 4.1 percent for the session based on data from finance portals including Yahoo Finance and MarketWatch. That close came with an elevated trading volume compared with the stock’s recent average and left the shares below a narrative fair value estimate near USD 970 highlighted by Simply Wall St.

September 14, 2026 in numbers

Caterpillar Inc. (ISIN US1491231015, NYSE: CAT) saw its shares drop more than 4 percent on September 14, 2026 as investors reassessed the pace of artificial intelligence driven data center buildouts and related equipment demand. As CNBC reported on September 15, 2026, Caterpillar fell more than 4 percent alongside other infrastructure and equipment names after a piece questioning whether AI spending might slow and cool expectations for data center expansion. In a separate valuation-focused piece, Simply Wall St noted on September 16, 2026 that the company’s most followed narrative places fair value at about USD 970 per share, above the recent close around USD 783.50 and framing the current pullback as a gap to that valuation rather than a broken story. On the same day, broad United States equity benchmarks including the S&P 500 also declined, adding a wider market pressure backdrop to Caterpillar’s move.

Today’s focus after the drop

Today on September 16, 2026, Caterpillar enters the pre-market session without a scheduled earnings release or major corporate event highlighted in publicly accessible earnings calendars covering September 2026, leaving investor attention primarily on how sentiment around capital spending, data center buildouts and industrial demand evolves through the trading day. As CNBC pointed out, any further signs of an AI spending slowdown or caution on data center investment could continue to influence heavy equipment and infrastructure related names, which makes sector and macro headlines particularly relevant for Caterpillar today.