Energy hedge funds are having a resurgence of form with May heralding their best monthly gain in over two years. However, with the recent hike in production resulting from the June OPEC meeting and pressure on oil prices from supply expectations will they be able to continue their performance? The energy hedge fund sector is largely dominated by the oil complex, but includes power and gas. While markets struggled in the wake of 2008 oil prices remained high until 2015 when they finally dropped down to trade below $40 a barrel in some cases. Since then there has been a steady...