【费城半导体指数开盘大涨4.5%】财联社7月21日电，费城半导体指数开盘涨4.50%。成分股中，英伟达股价上涨2.32%，台积电股价上涨3.49%，博通股价上涨2.65%，美光科技股价上涨7.26%，超威半导体股价上涨4.78%，阿斯麦股价上涨3.2%。
费城半导体指数开盘大涨4.5%
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