精选70MarketWatch（RSS）股市
美股动量交易或面临剧烈反转，7月风险加剧
Why the stock market’s red-hot momentum trade might be headed for a violent unwind this month
Momentum trades tend to struggle in July — but this year may be particularly volatile, says one strategist. The rumblings have already started.
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