美国商品期货交易委员会（CFTC）：截至7月22日当周，COMEX铜投机者将净多头头寸减少1,096手，至36,179手。

Group 1 - The Commodity Futures Trading Commission (CFTC) reported that as of the week ending July 22, speculators in COMEX copper reduced their net long positions by 1,096 contracts, bringing the total to 36,179 contracts [1]