Oil prices fell in Asian trading on Thursday, adding to a slump in the previous session, after U.S. stockpiles rose for the sixth week to another record, sapping the strength of a two-month rally in prices. U.S. crude futures CLc1 were down 55 cents at $39.24 a barrel at 0757 GMT, trading further below the important $40 level. It closed down $1.66, or 4 percent, at $39.79 a barrel on Wednesday. That marked the sharpest one-day drop for the front-month contract in U.S. crude since Feb. 11. Brent crude futures LCOc1 were down 36 cents at $40.11 a barrel. They finished the last session down $1.32, or 3.2 percent, at $40.47 a barrel. Earlier this week, both benchmarks had risen by more than 50 percent from multi-year lows that […]