SECTOR COMMENTARYOil and gas stocks finished the day higher with refiners leading the pack despite poor crack spreads. Meanwhile drillers witnessed gains on strength of Transocean which was higher on chatter that Carl Icahn increased his stake in the company, who may force the company to split some of its rigs off into MLPs. E&Ps closed relatively in line with the tape, with oily names outpacing the group thanks to outperformance in the underlying commodity, while gassy names moved deeper into the red.WTI crude oil closed at $94.24 up $0.96 ...