ETF午评：矿业ETF领涨1.70%，生物疫苗ETF领跌1.67%

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]