** Shares of BE Semiconductor industries BESI.AS fell 5.4% at 08:53 GMT after it reported Q4 results beating expectations, but left investors expecting more in the short term

** The stock is on track for its largest single day loss since November last year, if the losses hold

** BESI makes one of the most accurate semiconductor packaging tool, the hybrid bonding machine, its investors are banking heavily on its mass adoption amid booming demand for AI-related memory and logic

** "The stock was already very strong, so it probably needed more to push it even higher short-term", said ING analyst Marc Hesselink in an email

** Including today's fall, BESI stock is up 32% year-to-date

** The fourth quarter was overall a beat, said Degroof Petercam analyst Michael Roeg in a note

** "Sales beat by 1-2% vs. our estimate and Visible Alpha consensus, gross profit beat by 4%, EBIT beat by 8-12%, net profit beat by 1-6%", he said in a note

(Reporting by Nathan Vifflin in Gdansk)

((nathan.vifflin@thomsonreuters.com; +48 58 769 67 13;))