美股盘初，主要行业ETF涨跌不一，全球航空业ETF跌超2%，可选消费ETF、区域银行ETF跌幅居前。

Group 1 - Major industry ETFs showed mixed performance in early trading, with the global airline industry ETF declining over 2% [1] - The consumer discretionary ETF and regional bank ETF experienced the largest declines, with the consumer discretionary ETF down 1.02% and the regional bank ETF down 0.77% [1][2] - The gold ETF saw a slight increase of 0.63%, while the energy sector ETF and utility ETF both experienced minor declines [2] Group 2 - The global airline ETF (US JETS) closed at 24.88, down 2.64% with a trading volume of 432,200 shares [2] - The consumer discretionary ETF (US XLY) closed at 224.24, down 1.02% with a trading volume of 695,200 shares [2] - The regional bank ETF (US KRE) closed at 62.87, down 0.77% with a trading volume of 1,782,900 shares [2]