** Shares of UK's Evoke EVOK.L soar 15.8% at 45p
** The William Hill UK owner is in talks with Greek lottery and gaming firm Bally's Intralot BYLOTr.AT for a takeover proposal
** Proposed deal is for 50 pence per Evoke share, valuing co at around 225.3 million pounds ($304.25 million)
** 50 pence apiece offer is at a premium of 28.7% to EVOK's last close
** EVOK is top gainer on the FTSE smallcaps index .FTSC, which is down 0.33%
** YTD, EVOK stock has risen 75%
($1 = 0.7405 pounds)
(Reporting by Akshaya V in Bengaluru)
((akshayav@thomsonreuters.com))