GSK stock in focus as Jemperli royalty fight escalates ahead of JPM conference
GSK shares fell 0.26% to 1,886 pence Friday after AnaptysBio filed to dismiss part of a U.S. royalty lawsuit over cancer drug Jemperli. The trial is set for July 2026, with a ruling on the motion expected by March. GSK will release full-year results Feb. 4 and its chief scientific officer will attend the J.P. Morgan Healthcare Conference Jan. 13.