7月16日，Roundhill Memory ETF盘中下跌5.57%，报53.435美元/股，成交额11.23亿美元。消息面上，全球存储芯片板块遭遇多重利空集中打压：韩国检方突击搜查澜起科技、瑞萨电子和Rambus在韩办公室，调查涉嫌半导体零部件价格串通；美国国际贸易委员会对部分DRAM设备启动337调查；韩国KOSPI指数盘中跌近7%触发熔断，SK海力士跌超11%，三星电子跌超8%。
此外，广发香港下调三季度DRAM涨价预期，客户对30%涨幅强烈抵制，叠加巴菲特炮轰AI投机泡沫引发情绪逆转，多因素共振拖累该ETF成分股美光科技、西部数据跌超8%，闪迪重挫超12%。
（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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