The Commodity Futures Trading Commission (CFTC): As of the week ending September 17th, crude oil speculators increased their WTI net long positions by 31,338 contracts to 91,079 contracts. By the end of the week ending September 17th, stock fund managers increased their net long positions in the S&P 500 at the Chicago Mercantile Exchange by 36,522 contracts to 1,021,562 contracts. They increased their net short positions in the S&P 500 at the Chicago Mercantile Exchange by 108,938 contracts to 362,306 contracts. Speculators increased their net long positions in natural gas across the four major NYMEX and ICE markets by 3,767 contracts to 57,022 contracts.