CNBC | This week's tumble in oil was troubling, but the $40 floor should hold, analysts say CNBC Oil futures continue to get pounded, falling more than 2.5 percent Friday, as traders continue to be concerned about too much oil supply. U.S. oil production continues to increase, with weekly data showing it grew to 9.34 million barrels per day. The ... Oil prices drop 3 percent on rising global supplies Oil Heads for Weekly Loss as US Drillers Resume Expansion Oil landscape shifts sharply as Louisiana looks to an uncertain future |