美国运通(AXP.N)美股盘前下挫，现跌2.8%。

July 24 — Zhang Xingwang, deputy minister of Agriculture and Rural Affairs, told a State Council press briefing that summer grain is the first season of annual grain production and accounts for roughly 20% of annual grain output. Summer grain makes up nearly half of China’s staple grain (primarily wheat and rice); a strong summer harvest is therefore critical to ensuring food security for 1.4 billion people and gives China greater control over annual grain supply.

美国高级官员：关税措施将针对60个经济体，这些国家约占美国贸易的99%。新的关税将在美东时间7月28日00:01（北京时间7月28日中午12:01）生效。