** Shares of Restaurant Group RTN.L up 5.2% at 46p; stock
is top gainer in FTSE small-cap index .FTSC
** Stock among top pct gainers across London
** The owner of Wagamama expects higher annual profit after
posting an increase in HY earnings, helped by more people dining
at its joints
** Trading momentum remains encouraging with Wagamama
enjoying better soggy summer weather than Pubs - Stifel analyst
** Co also posts 15% rise in HY adjusted core profit to 36.3
mln pounds ($45.61 mln)
** As of last close, stock up 41.9% YTD
($1 = 0.7959 pounds)
(Reporting by Hani Kollathodi in Bengaluru)
((Hani.Kollathodi@thomsonreuters.com;))