精选70MarketWatch（RSS）股市
领涨牛市的科技股波动性远超旧龙头
The tech stocks now leading this bull market are far more volatile than the old guard
This new chapter started when the early AI stalwarts began serving as the next kingmakers of the market.
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