S&P 500種株価指数とナスダック総合株価指数は、人工知能（AI）関連銘柄の上昇と堅調な企業業績に支えられ、過去最高値を更新した。
投資家はテクノロジー企業の好調な第1四半期決算に注目し、これが他セクターの下落を相殺する一助となった。エヌビディアやサンディスクの株価は、AI開発をめぐる広範な楽観論を背景に上昇に寄与した。
S&P 500とナスダックがAIへの期待感から最高値を更新
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