** Shares of British space technology investment company Seraphim Space Investment Trust SSIT.L down 3.4% at 215p, among top losers on the FTSE samllcaps .FTSC index
** Co plans equity raise through placing and retail offer of new C shares at 100p per share for a total of 350 million pounds ($473.94 million)
** Placing at 55% discount to SSIT'S last close of 222.5p
** Including session's moves, stock up about 85%
($1 = 0.7385 pounds)
(Reporting by Megha Anilkumar Nair)
((MeghaAnilkumar.Nair@thomsonreuters.com;))