美股盘初，主要行业ETF涨跌不一，总体波动不大，区域银行ETF、能源业ETF涨幅居前。

Core Viewpoint - The U.S. stock market opened with mixed performance among major industry ETFs, showing overall modest fluctuations, with regional bank and energy sector ETFs leading the gains [1] Group 1: ETF Performance - Consumer discretionary ETF (US XLY) increased by 1.04 points, or 0.49%, with a trading volume of 142,400 shares [2] - Regional bank ETF (US KRE) rose by 0.28 points, or 0.49%, with a trading volume of 1,048,900 shares and a market value of $4.679 billion [2] - Semiconductor ETF (US SMH) gained 1.25 points, or 0.48%, with a trading volume of 280,500 shares and a market value of $3.107 billion [2] - Energy sector ETF (US XLE) saw an increase of 0.35 points, or 0.40%, with a trading volume of 2,585,700 shares and a market value of $22.291 billion [2] - Financial sector ETF (US XLF) rose by 0.17 points, or 0.33%, with a trading volume of 2,354,500 shares and a market value of $56.103 billion [2] - Internet index ETF (US FDN) increased by 0.83 points, or 0.33%, with a trading volume of 33,368 shares and a market value of $17.086 billion [2] - Technology sector ETF (US XLK) gained 0.56 points, or 0.23%, with a trading volume of 323,600 shares and a market value of $76.931 billion [2] - Global airline ETF (US JETS) rose by 0.04 points, or 0.21%, with a trading volume of 93,521 shares and a market value of $6.83708 million [2] - Global technology ETF (US IXN) increased by 0.17 points, or 0.20%, with a trading volume of 8,040 shares and a market value of $1.222 billion [2]