U.S. oil prices fell for a six straight day on Thursday, approaching 12-year lows hit last month, weighed by brimming crude inventories and a Goldman Sachs forecast that prices would remain low and volatile until the second half of the year. Market intelligence firm Genscape reported the Cushing, Oklahoma delivery hub for U.S, crude futures saw a build of almost 425,000 barrels in the week to Feb. 9. Crude inventories in Cushing hit all-time highs just shy of 65 million barrels during the week ended Feb. 5, government data showed on Wednesday. U.S. crude CLc1 was down 60 cents, or 2 percent, at $26.85 per barrel by 12:23 p.m. EST. Earlier, it fell to within 3 cents of the $26.19 intraday low hit in January, then its […]