The front month contract for West Texas Intermediate (WTI) (CLc1) was down 28 cents at $31.34 as 0010 GMT after falling $2, or 5.9 percent, in the previous session. Crude prices fell after China’s purchasing managers index dropped to a three-year low in January, coupled with rising oil supplies, ANZ said in a note on Tuesday. Output from OPEC rose to 33.1 million barrels per day last month as Indonesia’s membership to the group was reactivated,” the note added.