5月21日，西部数据盘中上涨3.15%，报474.945美元/股，成交额2.53亿美元。
消息面上，西部数据于5月18日推出业界首款集成后量子加密（PQC）技术的机械硬盘Ultrastar DC HC6100 UltraSMR，采用NIST认证的ML-DSA-87抗量子算法，目前已进入多家超大规模客户验证阶段。同时，花旗大幅上调美光科技目标价至840美元并看好DRAM价格持续走强，带动美股存储板块整体上行。此外，Loop Capital和Arete近期分别将西部数据目标价上调至600美元和610美元，均维持买入评级，AI驱动的存储供应短缺叙事持续支撑板块估值。
（以上内容均基于市场公开消息，由程序或算法智能生成，仅作为股价异动提醒，不作为投资建议或交易依据。）
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