迈威尔科技(MRVL)今日盘前股价大跌5.47%，引发了市场的广泛关注。
消息面上，韩国金融服务委员会联合财政部及央行收紧单一股票杠杆ETF监管，将最低保证金提高至3000万韩元并禁止新产品上市，此举精准打击了存储芯片板块的投机资金来源，导致SK海力士与三星电子等韩国半导体巨头股价重挫，冲击波进而波及美股半导体产业链。
此外，半导体板块整体承压也是重要因素。自6月高点以来，费城半导体指数成分股普遍回落，其中迈威尔科技累计跌幅达到36%，表现最为疲弱。市场对AI存储周期进行重估，担忧存储芯片价格可能见顶，行业获利了结情绪浓厚，共同导致公司股价在盘前交易中大幅下挫。
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