** HK shares of Pony AI 2026.HK slip 15.6% to HK$73.2, lowest since debut on November 6; stock logs biggest one-day pct decline since debut
** Top pct loser on Hang Seng Composite Index on IT stocks .HSCIIT, which is up 0.2%
** Overnight, U.S.-listed stock PONY.O dips 14.7% to lowest since May 2025
** Chinese autonomous driving firm expects to more than double fleet of robotaxis powered by its tech to more than 3,000 units across more than 20 cities globally this year
** Posts Q4 profit of $75.5 mln, its first profitable quarter
** However, Citi ("buy") says Q4 gross profit margin below estimates
** YTD, HK stock down 36.1%, U.S.-listed shares fall 33%
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))
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