ETF开盘：矿业ETF领涨2.88%，石化ETF领跌0.76%

Core Viewpoint - The ETF market shows mixed performance with mining ETFs leading gains while some other sectors experience declines [1] Group 1: ETF Performance - Mining ETF (159690) leads with a gain of 2.88% [1] - Machine Tool ETF (159663) increases by 2.48% [1] - Energy Storage Battery 50 ETF (159305) rises by 1.69% [1] - Petrochemical ETF (159731) declines by 0.76% [1] - Creation 50 ETF (159371) falls by 0.65% [1] - Lithium Battery ETF (561160) decreases by 0.64% [1] Group 2: Investment Strategy - The strategy suggests buying index ETFs to capitalize on market rebounds [1]