CNBC | Oil posts first positive week in three, gains over 4% CNBC Oil prices closed higher on Friday after the U.S. oil rig count fell for a ninth straight week, indicating crude production could decline in coming months, which might help reduce the global supply glut. Prices got another boost from separate data ... Oil up as US rig count down; market also rises on week US Oil Rig Count Declines by 16 Oil prices drift before US rig count, market up after two weeks |