SECTOR COMMENTARYThe energy sector ended the day mixed on lighter-than-average volume, in line with the broader equity markets with refiners, drillers and services leading the way. Refiners jumped on a spike in gasoline futures following news that Hess Corp was closing a NJ Refinery, news that activist Carl Icahn built a large stake in Transocean lifted drillers, while services continued to gain momentum off last week’s earnings and positive North American statements by Halliburton. E&Ps trailed the rest of the sector, led lower by the natural gas leveraged names on ...