The US government has sued a unit of Warren Buffett’s Berkshire Hathaway, accusing it of pushing borrowers into unaffordable loans—so customers would buy homes from the company’s manufactured housing business.

These five companies -- one of which is near and dear to the Oracle of Omaha's heart -- stand out for all the right reasons.

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

After a period of trimming stakes, Warren Buffett's Berkshire Hathaway ended the year making some sizable insider purchases. Building one of those stakes continued into the new year. Meanwhile, other insiders returned to add to stakes as well in a telecom and a boat maker.

Given the financial environment in which cash is sometimes considered as useless, Warren Buffett's approach of keeping large cash reserves stands out and generates investor interest and speculation. Renowned for his sharp investing style,