** British home improvement retailer Wickes WIX.L rises nearly 5% to 231.5 pence
** Stock among top gainers in FTSE mid-cap index .FTMC
** Co posts 6.9% rise in Q2 like-for-like sales vs 1.6% in Q1
** Co says it is comfortable with market expectations for adj. pre-tax profit of 46.7 mln pounds-51.5 mln pounds ($63.4 million-$69.9 million), according to company-compiled consensus
** Including session's moves, WIX up 53% YTD
(Reporting by Unnamalai L in Bengaluru)
((Unnamalai.L@thomsonreuters.com;))