每经AI快讯,美股开盘,三大股指涨跌不一,道指跌0.03%,纳指涨0.31%,标普500指数涨0.16%,康宁涨2.8%,AT&T与康宁签署价值超30亿美元的多年度光纤供应协议。存储板块集体上扬,美光科技涨2%,闪迪涨1.8%,西部数据涨2.2%,sk海力士涨1.7%。
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