ETF开盘：港股通ETF领涨2.01%，油气资源ETF领跌1.77%

Group 1 - The ETF market opened with mixed performance, with the Hong Kong Stock Connect ETF (513990) leading the gains at 2.01% [1] - The Hong Kong Innovative Drug ETF (513120) increased by 1.69%, while the Hong Kong Stock Connect Medical ETF (159776) rose by 1.48% [1] - Conversely, the Oil and Gas Resources ETF (563150) led the declines at 1.77%, followed closely by the Oil and Gas ETF (159588) which fell by 1.76%, and the Bosera Oil and Gas ETF (561760) decreased by 1.65% [1] Group 2 - The article suggests that investors should consider buying index ETFs to capitalize on market rebounds [1]