周五（11月21日）上午，中芯国际（00981.HK）股价出现大幅下跌，盘中跌幅一度达到5.03%。这一跌势反映了整个科技板块和半导体行业的普遍颓势。
据市场分析，此次下跌主要受到以下几个因素的影响：首先，隔夜美股大跌对全球市场造成冲击，尤其是科技股遭受重创。恒生科技指数早盘一度跌超3%，拖累港股科技板块全线走低。其次，半导体板块整体表现疲软，多家半导体公司股价出现不同程度的下跌。
此外，市场对人工智能（AI）估值泡沫的担忧正在增加。尽管英伟达等公司最新财报表现强劲，但投资者对科技股高估值的忧虑并未完全消散。同时，美联储内部对通胀问题的分歧加剧，使得未来降息前景更加不明朗，这也给科技股带来了额外的压力。在这种复杂的市场环境下，作为半导体行业龙头的中芯国际难免受到波及。
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