CNBC | US oil plunges 2.9 percent after rig count rises for 2nd straight week CNBC Baker Hughes said last week U.S. oil drillers added 9 rigs in the week to June 3, bringing the count up to 325, as oil prices traded above or near $50. Prior to that, drillers cut on average 10 oil rigs per week this year, after reducing on average 18 ... Oil down ahead of US rig count; strong dollar weighs Oil relinquishes $50 mark, but holds on to weekly gain Oil on track for best run since 2012 |