Group 1 - The oil and gas resource ETF (563150) led the gains with an increase of 3.25% [1] - The petrochemical ETF (159731) rose by 2.07% [1] - The chemical industry ETF (516570) saw an increase of 1.66% [1] Group 2 - The Hong Kong automotive ETF (520600) experienced the largest decline, falling by 3.86% [1] - The Hong Kong automotive ETF fund (159237) decreased by 3.85% [1] - The Hong Kong Stock Connect automotive ETF (159323) dropped by 3.73% [1]