美股盘初，主要行业ETF涨跌不一，区域银行ETF跌超1.5%，黄金ETF跌幅居前。

Core Viewpoint - The major industry ETFs in the US stock market showed mixed performance, with regional bank ETFs declining over 1.5% and gold ETFs experiencing notable losses [1]. Group 1: ETF Performance - Regional bank ETF (KRE) fell to 61.23, down by 0.95 (-1.53%) with a trading volume of 2.3471 million shares [2]. - Gold ETF (GLD) decreased to 307.68, down by 2.59 (-0.83%) with a trading volume of 836,900 shares [2]. - Semiconductor ETF (SMH) dropped to 285.45, down by 2.35 (-0.82%) with a trading volume of 372,600 shares [2]. - Biotechnology ETF (IBB) declined to 134.84, down by 0.59 (-0.44%) with a trading volume of 57,163 shares [2]. - Energy ETF (XLE) decreased to 87.21, down by 0.22 (-0.25%) with a trading volume of 759,800 shares [2]. - Global technology ETF (IXN) fell to 95.21, down by 0.14 (-0.15%) with a trading volume of 1,600 shares [2]. - Technology sector ETF (XLK) decreased to 261.13, down by 0.26 (-0.10%) with a trading volume of 297,000 shares [2]. - Global airline ETF (JETS) fell to 24.41, down by 0.01 (-0.04%) with a trading volume of 84,256 shares [2]. - Consumer staples ETF (XLP) increased slightly to 81.41, up by 0.05 (+0.06%) with a trading volume of 893,600 shares [2]. - Utility ETF (XLU) rose to 84.41, up by 0.10 (+0.12%) with a trading volume of 1.1378 million shares [2].