WTI原油期货跌0.4%，暂报57.98美元/桶。美国总统特朗普宣称，昨天（4月30日）对伊朗石油实施制裁。

Core Viewpoint - WTI crude oil futures have decreased by 0.4%, currently priced at $57.98 per barrel, following the announcement of sanctions on Iranian oil by U.S. President Trump [1] Group 1 - WTI crude oil futures are down by 0.4% [1] - Current price of WTI crude oil is $57.98 per barrel [1] - U.S. President Trump announced sanctions on Iranian oil on April 30 [1]