According to the CFTC Commitments of Traders report for the week ended December 7, NET LENGTH of crude oil futures slumped -20 002 contracts to 367 232. Speculative longs declined -19 277 contracts while shorts added +725 contracts. For refined oil products, NET LENGTH for heating oil dropped -2 628 contracts to 8 597, while that for gasoline gained +4 269 contracts to 49 883. NET SHORT of natural gas futures slipped -235 contracts to 132 443 during the week.