麦当劳(MCD.US)涨2%报298.3美元。消息上，该公司排除了牛肉饼是导致美国多个州爆发大肠杆菌疫情的源头的可能性。麦当劳上周紧急从美国十几个州的餐厅菜单撤下了Quarter Pounder汉堡，以控制与该汉堡有关的大肠杆菌爆发造成的损害。他们将在不加洋葱的情况下恢复销售。(格隆汇)

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