美国至5月30日当周API精炼油库存 76万桶，预期250万桶，前值129.5万桶。

Group 1 - The API refined oil inventory in the U.S. for the week ending May 30 increased by 760,000 barrels, which is significantly lower than the expected increase of 2.5 million barrels [1] - The previous week's inventory change was reported at an increase of 1.295 million barrels, indicating a notable deviation from market expectations [1]