Group 1 - The ETF market opened with mixed performance, with the Huabao Sci-Tech AI ETF (589520) leading the gains at 1.92% [1] - The Sci-Tech Board AI ETF (588930) increased by 1.72%, while the Guotai Sci-Tech Chip ETF (589100) rose by 1.54% [1] - The Energy and Chemical ETF (159981) experienced the largest decline at 3.63%, followed by the Coal ETF (515220) down 2.24%, and the Commodity ETF (510170) falling by 1.57% [1]

Group 1 - The overall performance of ETFs showed mixed results, with mining ETFs leading the gains at 1.70% [1] - Gold stock ETFs also performed well, increasing by 1.54% [1] - Commodity ETFs rose by 1.37%, indicating a positive trend in this sector [1] Group 2 - On the downside, the biotechnology vaccine ETFs experienced the largest decline, falling by 1.67% [1] - Financial technology ETFs also faced losses, with a drop of 1.67% and 1.56% respectively [1]