** Shares of Britain's TT Electronics TTG.L jump as much as 61% to 152.6p, best day on record
** Stock top gainer on FTSE small-cap index .FTSC
** Co accepts buyout offer from Swiss firm Cicor Technologies CICN.S in a 287 million pound ($385.18 mln) deal
** Under the deal terms, each TT shareholder to get 100 pence in cash and 0.0028 Cicor shares per TT share
** Including session moves, the stock has risen 44.72% YTD vs FTSE small cap index's 8.43% gain
($1 = 0.7451 pounds)
(Reporting by Krisha Bhatt)
((Krisha.Bhatt@thomsonreuters.com))