This pits the giant Chicago Mercantile Exchange (CME), which launched a friendly offer for its cross-town rival last October, against a younger interloper, the Atlanta-based IntercontinentalExchange, or ICE.

• 这使行业巨头芝加哥商业交易所（CME）和资历稍逊的洲际交易所（ICE）变成了敌人，前者于去年十月给它隔城相望的竞争对手芝加哥期货交易所开出了一份友好报价，而总部在亚特兰大的后者却不请自来，加入了争夺。