美股开盘走高，AI概念股带动市场上行，Arm开盘上涨6.6%。
据 NS3 报道，道琼斯指数、标普500指数、纳斯达克指数及VIX指数在开盘时均上涨。
美股高开：Arm涨6.6%，三大指数齐升
2026-06-18 13:59:24
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