Berkshire Hathaway's standing policy is that Buffett can repurchase shares anytime he believes the stock is trading below its intrinsic value. The only caveat is that stock buybacks aren't allowed if they would cause the conglomerate's cash position (including cash, cash equivalents, and U.S. Treasuries) to fall below $30 billion.

The federal Consumer Financial Protection Bureau said in a lawsuit that a unit of Warren Buffett's Berkshire Hathaway ignored red flags that borrowers couldn't afford the mortgages they were given to

The federal Consumer Financial Protection Bureau said in a lawsuit that a unit of Warren Buffett's Berkshire Hathaway ignored red flags that borrowers couldn't afford the mortgages they were given to buy manufactured homes from another Berkshire company.