BUZZ-Verseon: U.S. biotech firm gains after $100 mln London IPO
** California-based biotech firm Verseon raises 65.8 million pounds ($100 million) through listing on London's AIM market, making reversal of common pattern of European life science firms floating on Nasdaq
** Shares (Berlin: DI6.BE - news) at 220 pence, up from placing price of 202p
** Company uses computational drug discovery platform to design novel medicines
(RM (LSE: RM.L - news) : ben.hirschler.thomsonreuters.com@reuters.net)