Warren Buffett built Berkshire Hathaway by paying reasonable prices for durable cash flows, and three of his current bets still trade below $30 a share. With Greg Abel sitting on a record cash pile, the sub-$30 aisle is where value hunters are scanning for the kind of brand-heavy, cash-generative franchises Omaha tends to favor when ... 3 Berkshire Stocks Under $30 and 2 Under $30 Greg Abel May Buy