数据来源于沪深交易所、公开资料等。券商ETF（512000）被动跟踪中证全指证券公司指数，该指数基日为2007.6.29，发布于2013.7.15。中证全指证券公司指数2021~2025年年度涨跌幅分别为-4.95%、-27.37%、3.04%、27.26%、2.54%。指数成份股构成根据该指数编制规则适时调整，其回测历史业绩不预示指数未来表现。
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Upgrading hardware is usually a straightforward decision: Your device slows down, you replace it. But 2026 isn’t showing a typical hardware cycle. Increased demand for memory from AI data centers has tightened the current and future supply of RAM (random access memory, a form of electronic computer memory), putting upward pressure on production costs. What does this mean for you? Prices and availability may never get better.