BUZZ — BP rises after forecasting higher Q3 refining margin
* Shares of BP up 1.4% at 596.4p * BP expects Q3 refining indicator margin to be $46.7/barrel vs $29.6/barrel in Q2 and $15.8/barrel a year ago * YTD, stock has risen about 38% (Reporting by Yamini Kalia in Bengaluru) ((Yamini.Kalia@thomsonreuters.com)