伯克希尔增持美国房地产相关股票，同时加仓Alphabet和达美航空
Berkshire Hathaway doubles down on the U.S. housing market with a fresh bet on this stock
Berkshire Hathaway has upped its bet on the U.S. housing market, and also boosted its stakes in Alphabet and Delta Air Lines.
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