美股盘初，主要行业ETF多数走高，半导体ETF涨超2%，全球航空业ETF、全球科技股指数ETF涨幅居前。

Group 1 - Major industry ETFs in the U.S. stock market are mostly rising at the beginning of trading [1] - The semiconductor ETF has increased by over 2% [1] - The global airline industry ETF and the global technology stock index ETF are among the top gainers [1]