BUZZ-GVC: rolling strong
** Gambling firm GVC Holdings (Frankfurt: 6GI.F - news) up nearly 5 pct & top gainer on FTSE 250 index
** Co sees 2017 clean EBITDA "comfortably ahead" of analyst consensus of 255.5 mln euros ($303.6 mln)
** H1 group rev rises to 472.8 mln euros; net gaming revenue up 10 pct
** Strong trading at its sports brands -- made up of websites such as bwin and Sportingbet; revenue for the segment jumps 9 pct
** Co says strong trading has continued into third quarter
** Berenberg calls comments on current trading best set of Q3 indications that it has seen from any gaming company; broker repeats "buy" citing geographical diversification, relaunch of the bwin brands (RM (LSE: RM.L - news) :rahul.b.thomsonreuters.com@reuters.net)