精选80MarketWatch（RSS）宏观
美国经济K型分化：前10%非必需消费接近后70%总和
Just how K-shaped is the U.S. economy? The top 10% spend nearly as much, excluding essentials, as bottom 70% combined
The gulf between the rich and everyone else is laid out in a stark analysis done by Bank of America’s economists on household spending.
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