美油供应三重收紧；资金连续10日加仓，化工行业ETF易方达（516570）受市场关注

Group 1 - The China Petroleum and Chemical Industry Index (H11057) increased by 0.65%, with major stocks like Wanhua Chemical, Salt Lake Potash, Cangge Mining, Hualu Hengsheng, and Yuntianhua rising over 1% [1] - As of February 2, the index has risen by 41.19% over the past year [1] - The E Fund Chemical Industry ETF (516570), which tracks the index, has seen a net inflow of over 1.3 billion in the last 10 days, with its latest fund size reaching 1.537 billion [1] Group 2 - U.S. crude oil inventories fell to 24.785 million barrels, a decrease of 1.11%, nearing warning levels [1] - U.S. crude oil production decreased by 36,000 barrels per day to 13.696 million barrels per day [1] - A winter storm in the U.S. has caused short-term production cuts of up to 2 million barrels per day, affecting refinery operations and tightening supply [1] Group 3 - A report from Bank of America Securities on January 29 indicated that commodities are showing moderate support, led by oil [1] - Historically, Brent crude oil tends to trend upward in February, with strong performance typically occurring in the last third of the month [1] Group 4 - The E Fund Chemical Industry ETF (516570) covers major oil companies, providing a low-cost investment opportunity in the traditional energy sector with a total management and custody fee of only 0.2% per year [2]