SECTOR COMMENTARYThe energy sector finished the day mostly lower, trailing the broader markets, weighed down by bearish reports from the U.S. on jobs and non-farm labor productivity, and concerns that a strengthening euro might hamper an economic recovery.  Refiners were the outlier to the upside today led by shares of Tesoro, which closed up 2.72%, despite reporting results that slightly fell short of estimates that were offset by news it increased its dividend by 33% and remained confident that its acquisition of BP’s Carson refinery will close in mid-2013.  WTI ...