CNBC | Oil edges near $40, levels not seen since crash CNBC U.S. West Texas Intermediate (WTI) crude oil slumped over 4 percent on Wednesday and edged lower to around $40.50 a barrel on Thursday morning. The commodity has hit a new 6-1/2-year low with data showing an unexpected stockpile build in the United ... Citigroup report: Worries of $33 oil leaving markets “nervy” U.S. Oil Could Return to 2008 Low of $32 in Citigroup View US oil at $US32 a barrel 'conceivable reality', says Citigroup |