美国财政部将回购60亿美元国债以压低收益率
Treasury to buy back more government bonds than previously announced
The Treasury Department said it would buy back $6 billion in U.S. government debt, exceeding the amount previously announced in its effort to contain bond yields.
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