标普和纳指涨0.5%刷新日高，中概指数和富时A50夜期也涨幅扩大

Market Performance - The S&P 500 index increased by 0.5%, while the Nasdaq rose by 0.56%, both reaching new daily highs [1] - The Dow Jones also saw an increase of over 0.2% [1] - The Philadelphia Semiconductor Index surged by more than 2% [1] Chinese Market Indicators - The Nasdaq Golden Dragon China Index experienced a V-shaped reversal, with its intraday gains expanding to 0.35% [1] - The FTSE A50 night futures saw its gains increase to nearly 0.2% [1]