** Shares of Wilmington Plc WIL.L gain as much as 17.4% to
304p; set to log best day in about 15 years, if trend holds
** UK-based information and data provider sees adj profit
before tax to be 24.3 mln pounds ($31.3 mln) ahead of market
expectations of 22.8 mln pounds
** Annual group organic revenue growth expected to be 9%,
with reported revenues in the order of 123.5 mln pounds, up from
121 mln pounds year ago
** Stock among top pct gainers across London shares
** Up to last close, stock had fallen ~18% so far this year
($1 = 0.7759 pounds)
(Reporting by Prerna Bedi in Bengaluru)
((Prerna.Bedi@thomsonreuters.com; +91 98052 24616;))