精选70MarketWatch（RSS）股市
SpaceX推迟关键发射，股价盘前下跌4%
SpaceX postponed a crucial launch — now its stock is set to slide even further below the IPO price
Shares in SpaceX declined about 4% in premarket trading on Friday after aborted mission.
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