** FanDuel-owner Flutter Entertainment FLTRF.L slips 9.6% to $8,204p
** Co expects 2026 core profit of $2.97 billion, below $3.5 billion expected by analysts polled by LSEG SmartEstimate
** Says guidance reflects lower levels of U.S. customer engagement in Q4 and into 2026
** Intends to increase planned investment in its new prediction markets platform launched in late December
** As of Thursday's close, FLTRF down ~44% this year
(Reporting by Simone Lobo in Bengaluru)
((Simone.Lobo@thomsonreuters.com, +919920570373))