精选70MarketWatch（RSS）股市
5张图揭示散户资金如何重塑美股市场
5 charts showing how ‘dumb money’ is transforming the stock market, as retail traders smash Wall Street records
Retail trading activity set records in May and June — and the propensity of that cohort to buy the dip has looked pretty smart.
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