Berkshire Hathaway's $6.3 billion hidden portfolio has piled nearly all of its capital into two sectors.
Following in the Oracle of Omaha's footsteps has been a successful moneymaking strategy for decades.
If there's one thing you can say about many longtime Warren Buffett stocks in Berkshire Hathaway's large equities portfolio, it's that many of them are built to last. After all, Buffett often says his goal is to buy stocks and never sell them. Here's one Buffett stock that's rock solid right now and starting to look cheap.