BP hits highest since Deepwater Horizon spill on stronger refining outlook
** Shares of BP BP.L rise as much as 3.74%, closing at 610p
** Shares touch highest since April 2010, when they had plunged after Deepwater Horizon spill
** BP expects Q3 refining indicator margin to be $46.7/barrel vs $29.6/barrel in Q2 and $15.8/barrel a year ago
** Shares up ~40.94% YTD