According to the U.S. Commodity Futures Trading Commission (CFTC), in the week ending December 9, equity fund managers increased their net long positions in the S&P 500 on the CME Group by 17,972 contracts to 958,734 contracts. Equity fund speculators increased their net short positions in the S&P 500 on the CME Group by 7,057 contracts to 448,341 contracts.