精选75MarketWatch（RSS）股市
美股动量交易遭遇2001年来最大平仓
This powerful stock-market momentum trade has hit a wall after seeing biggest unwind since 2001
So far, the selloff hasn’t done much to dent the S&P 500, as other stocks and sectors have picked up the slack
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