ETF午间收盘：储能电池ETF涨2.99% 航天航空ETF跌5.92%

Group 1 - The ETF market showed mixed performance on September 3, with the energy storage battery ETFs experiencing gains while aerospace ETFs faced declines [1] - The energy storage battery ETF (159566) increased by 2.99%, and the S&P Biotechnology ETF (159502) rose by 2.84% [1] - The energy storage battery ETF from GF (159305) saw a rise of 2.50%, indicating strong interest in this sector [1] Group 2 - Aerospace ETFs had a negative performance, with the aerospace ETF (159208) dropping by 5.92%, and Tianhong's aerospace ETF (159241) declining by 5.36% [1] - The aerospace ETF (159267) also fell by 5.21%, reflecting a broader trend of weakness in the aerospace sector [1]