Group 1 - The oil and gas resource ETF (563150) increased by 3.25% [1] - The petrochemical ETF (159731) rose by 2.07% [1] - The chemical industry ETF (516570) saw a gain of 1.66% [1] Group 2 - The Hong Kong automotive ETF (520600) decreased by 3.86% [1] - The Hong Kong automotive ETF fund (159237) fell by 3.85% [1] - The Hong Kong Stock Connect automotive ETF (159323) dropped by 3.73% [1]

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]