Reddit 纳入标普500指数，盘后股价上涨
Reddit is joining the S&P 500 after months of speculation. Analysts have these concerns.
After past snubs, social-media site Reddit has landed a spot on the S&P 500, sending shares on an after-hours rally Thursday.
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