ETF开盘：沪港深ETF领涨1.93%，黄金ETF领跌1.56%

Group 1 - The ETF market opened with mixed results, with the Hong Kong-Shenzhen ETF (517170) leading the gains at 1.93% [1] - The S&P Oil & Gas ETF (159518) increased by 1.76%, while the STAR 50 Enhanced ETF (588370) rose by 1.58% [1] - Gold ETFs experienced declines, with the leading Gold ETF (518880) down by 1.56%, and other gold-related ETFs also showing losses [1] Group 2 - A-shares accounts can now buy Hong Kong stocks on a T+0 basis without the need for a Hong Kong Stock Connect [1]