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参议院小组法案禁止国防承包商未经批准回购股票
Defense contractors would be barred from buying back their stock in bill approved by Senate panel
A bill the Senate Armed Services Committee approved would prevent defense contractors from buying back their stock without Pentagon approval.
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