ETF午评：能源化工ETF领涨2.82%，香港证券ETF领跌3.08%

Group 1 - The energy and chemical ETFs showed strong performance, with the Energy Chemical ETF (159981) leading with a gain of 2.82% [1] - The S&P Oil and Gas ETFs also performed well, with gains of 2.06% for the S&P Oil and Gas ETF (513350) and 2.04% for the S&P Oil and Gas ETF (159518) [1] - Conversely, the Hong Kong Securities ETF (513090) experienced the largest decline, dropping by 3.08%, followed by the Guozheng 2000 ETF Fund (159543) which fell by 2.92%, and the Rare Earth ETF E Fund (159715) which decreased by 2.36% [1] Group 2 - A-share accounts can now buy Hong Kong stocks on a T+0 basis without the need for a Hong Kong Stock Connect [1]