At the current stock price, Berkshire Hathaway has a market cap of about $1.02 trillion, which is significantly less than just a couple months ago, before Buffett announced his planned retirement. Meanwhile, the value of the stock portfolio has increased significantly, and Berkshire still has the same (or more) cash. Berkshire should be more valuable now During the second quarter, which is the period Berkshire is getting ready to report, the S&P 500 increased by 10.4%, and many of Berkshire's top stock hold ...