5月20日，MUU 2倍做多MU ETF盘前上涨8.16%，报503.01美元/股，成交额2079.64万美元。
消息面上，多家投行集中上调美光科技目标价：花旗将目标价从425美元大幅上调至840美元，预计DRAM均价将同比飙升200%；汇丰将目标价从750美元上调至1100美元；Melius同步上调至1100美元，均维持买入评级。花旗预测美光2027财年核心EPS将首次突破百元达104.56美元，认为DRAM景气周期将持续至2027年。
此外，三星电子超4.3万名工人罢工在即，半导体产线已提前启动减产，全球存储芯片供应进一步趋紧，现货市场DDR4价格已上涨约20%，供需缺口持续扩大利好美光。
（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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