Handful of tech stocks drive diverging measures of S&P 500 performance 標普500指數今年迄今的上漲由少數科技股推動
Equal weight version of index slips into negative territory even though benchmark is up 9.5 per cent this year 在AI浪潮的推動下,英偉達等科技企業今年總共增加了3.1萬億美元的市值。如果不考慮它們的貢獻,標普500指數的市值今年迄今已減少2860億美元。