SECTOR COMMENTARYEnergy stocks gained across all sub-industries and closed near the best levels of the day as broader markets rallied, led by consumer staples and financials.  Among oil and gas stocks, E&Ps were the best performers followed closely by the refiners, several of which continued to reach new highs on widening crack spreads.  Meanwhile, shares of BP lagged its peers as investors prepared for some negative press reports ahead of the trial which will start Monday in federal court on civil claims stemming from the spill.WTI crude oil gained $0.80 ...