BUZZ — Caterpillar shares down after AI — fueled run — up

* Shares of construction equipment maker Caterpillar drop 2%, weighed down by concerns over AI * CAT stock drops for a fourth consecutive session and is down nearly a third from its all-time high in late June * CAT's businesses have reaped a windfall from rapid US data center buildout, boosting demand for its power generation, backup power and construction equipment * Brian Langenberg, founder of industrial research firm Langenberg & Co, says CAT came under pressure after quantum computing and AI stocks came under heavy sell pressure * CAT, other industrial stocks exposed to data centers have been tracking volatility in the broader AI trade - Morgan Stanley analyst Angel Castillo * CAT's share move mirrors that of several other firms including CoreWeave, Oracle, Dell and Nebius amid broader AI-linked volatility * CRWV shares plunge more than 15% as debt and cash-flow concerns added to investor jitters over the AI boom * Including session's move, stock up 27.4% YTD (Reporting by Nathan Gomes, Nandan Mandayam and Anshuman Tripathy) ((Anshuman.Tripathy@thomsonreuters.com)