美股盘初，主要行业ETF涨跌不一，半导体ETF、全球航空业ETF涨超1%，医疗业ETF跌超2%，生物科技指数ETF跌近2%。

Market Overview - Major industry ETFs showed mixed performance in early trading, with semiconductor and global airline ETFs rising over 1%, while healthcare and biotechnology ETFs fell nearly 2% [1] Semiconductor Sector - Semiconductor ETF increased by 3.71 to 241.12, representing a gain of 1.56% with a trading volume of 524,400 shares and a total market value of 28.50 billion [2] Airline Industry - Global airline ETF rose by 0.25 to 22.80, reflecting an increase of 1.11% with a trading volume of 166,100 shares and a total market value of 718.20 million [2] Healthcare Sector - Healthcare ETF decreased by 3.11 to 132.85, marking a decline of 2.29% with a trading volume of 1,881,800 shares and a total market value of 254.23 billion [2] Biotechnology Sector - Biotechnology index ETF fell by 2.37 to 119.69, indicating a drop of 1.94% with a trading volume of 80,763 shares and a total market value of 95.03 billion [2] Technology Sector - Technology sector ETF rose by 1.94 to 229.64, showing an increase of 0.85% with a trading volume of 475,800 shares and a total market value of 730.40 billion [2] Consumer Discretionary - Consumer discretionary ETF increased by 1.48 to 213.95, reflecting a gain of 0.70% with a trading volume of 285,600 shares and a total market value of 268.73 billion [2] Financial Sector - Financial sector ETF rose by 0.24 to 51.11, representing an increase of 0.47% with a trading volume of 2,047,300 shares and a total market value of 568.88 billion [2]