The benchmark S&P 500 is considered to be highly diversified, but its performance increasingly rests on a handful of technology companies.
While Nvidia continued to drive the Nasdaq higher, the Dow undercut support. Hot IPO Cava fell late on earnings.
美股在假期後先升後回,受惠英偉達上達1,100美元帶動,納斯達克指數曾歷史性突破17,000點以上,午市一度近抹去所有升幅,惟最終能守穩在心理關口收市;道瓊斯指數曾跌近300點,標普500指數則近平收。債市向下,美國國債拍賣需求弱,10年期國債息率升7點子以上。中東局勢升溫,紐約期油升2.7%。