Reuters UK | Oil climbs, Brent heads for best two weeks since 1998 Reuters UK U.S. crude oil futures have seen daily gyrations of up to 9 percent since last week as bulls and bears squared off positions on mixed signals the market could remain oversupplied through the first half while falling rig counts and reduced exploration ... Oil heads for biggest two-week gain in 17 years amid volatility Oil is up 10% this week alone in markets that haven't been this crazy in 6 years Oil Takes Big Swing in Opposite Direction |