ETF午盘：巴西ETF涨4.67% 石化ETF跌7.27%

Group 1 - The ETF market showed mixed performance at midday on January 22, with the Brazil ETF (159100) leading gains at 4.67% [1][3] - The Brazil ETF E Fund (520870) also performed well, increasing by 4.29% [1][3] - The Aerospace ETF (563380) rose by 3.55%, indicating positive sentiment in that sector [1][3] Group 2 - The Petrochemical ETF (159731) experienced the largest decline, falling by 7.27% [1][3] - The China Securities 2000 Enhanced ETF (159556) decreased by 3.62% [1][3] - The Gold Stocks ETF (159321) saw a drop of 3.17%, reflecting a downturn in gold-related investments [1][3]