Reuters | Oil ends higher, posts second consecutive weekly gain MarketWatch Oil futures held on to gains Friday after data showed producers added one additional rig this week, leaving crude to notch its second consecutive weekly gain as it continues to claw back ground lost in a selloff earlier this month. West Texas ... Oil rises more than 1 percent as Libyan outage supports Venezuelan Free Fall Would Give Oil a Pop Energy shares in Asia climb as oil prices hold onto gains following US inventory decline |