美股盘初，主要行业ETF涨跌不一，半导体ETF跌超1%，网络股指数ETF涨超0.5%。

Core Insights - Major industry ETFs in the US stock market showed mixed performance, with the semiconductor ETF declining over 1% while the internet stock index ETF rose more than 0.5% [1] Group 1: Semiconductor Sector - The semiconductor ETF (us SMH) closed at 283.77, down by 3.72 points, which is a decrease of 1.29% with a trading volume of 557,600 shares [2] Group 2: Energy Sector - The energy sector ETF (us XLE) ended at 88.54, down by 0.59 points, reflecting a decline of 0.66% with a trading volume of 1,559,000 shares [2] Group 3: Technology Sector - The technology sector ETF (us XLK) closed at 254.34, decreasing by 1.51 points, which is a drop of 0.59% with a trading volume of 278,600 shares [2] - The global technology stock ETF (us IXN) finished at 92.69, down by 0.55 points, also a decline of 0.59% with a trading volume of 8,023 shares [2] Group 4: Healthcare Sector - The healthcare sector ETF (us XLV) closed at 134.83, down by 0.36 points, a decrease of 0.27% with a trading volume of 875,700 shares [2] - The biotechnology index ETF (us IBB) ended at 131.37, down by 0.22 points, which is a decline of 0.17% with a trading volume of 57,942 shares [2] Group 5: Consumer Sector - The consumer staples ETF (us XLP) closed at 80.75, down by 0.06 points, a decrease of 0.07% with a trading volume of 865,700 shares [2] - The consumer discretionary ETF (us XLY) finished at 221.47, slightly up by 0.04 points, reflecting an increase of 0.02% with a trading volume of 235,100 shares [2] Group 6: Airline Sector - The global airline industry ETF (US JETS) closed at 24.99, down by 0.04 points, a decrease of 0.15% with a trading volume of 124,200 shares [2]