精选70MarketWatch（RSS）股市
英特尔、美光等芯片股下跌，科技板块持稳
Why Intel, Micron and other major chip stocks are falling — even as the rest of tech holds up
There isn’t one “smoking gun” catalyst — but investors could be reacting to Chinese memory developments, Korean stock-market weakness and Intel’s inability to sustain postearnings gains
更进一步：量化金融体系
看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力