[CFTC: net long positions in WTI crude oil reduced by 30386 contracts in the week ended May 30] according to the US Commodity Futures Trading Commission (CFTC): in the week ended May 30, speculators' net long positions in WTI crude oil decreased by 30386 contracts to 242651 contracts, the lowest in the last 10 weeks. Net long positions in natural gas futures in the NYMEX and ICE markets decreased by 14066 to 11298 contracts.