It is no surprise then to see Buffett focus on American stocks in his investment portfolio over at Berkshire Hathaway ( BRK.B 0.30%) ( BRK.A 0.53%). Here are two blue chip American stocks that make up 27.3% of Berkshire Hathaway's stock portfolio today.

Eyebrows were raised when Warren Buffett's company invested in this Latin American fintech disruptor a few years ago. But now it has been sold. The post Warren Buffett’s Berkshire Hathaway dumped this growth stock.

Warren Buffett, nicknamed the "Oracle of Omaha," is quite possibly the greatest investor of all time. For decades, the CEO of Berkshire Hathaway has shown his ability to read Wall Street like a