美股盘初：主要行业ETF涨跌不一 生物科技指数ETF涨近1% 半导体ETF跌超1%

Group 1 - Major industry ETFs showed mixed performance at the start of trading, with the internet stock index ETF rising over 2% [2] - The biotechnology index ETF increased nearly 1% [2] - The semiconductor ETF declined by more than 1% [2]