比特币以太坊下跌，CoinDesk 20 指数或创一年最大月涨幅
Bitcoin, ether fall, equities rally with broader crypto market on track for best month in a year
BTC fell as July drew to a close, even as stocks gained in Asia and U.S. index futures advanced. The CoinDesk 20 index is set to post its biggest gain since July 2025.
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