精选80MarketWatch（RSS）股市多源精选 ×5
科技股遭遇年内最糟一周，AI支出回报成疑
Tech stocks just had one of their worst weeks in a year. Here’s how AI momentum went off the rails.
It one of the worst weeks for tech stocks of the year, and Wall Street spent much of it confronting a question it had been too euphoric to ask: what exactly are we getting for all this AI spending?
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