Berkshire Hathaway Inc. won’t be the same without Warren Buffett running things, and now investors must think about what kind of company it will become under Greg Abel.

Berkshire Hathaway (BRK-A, BRK-B) stock was little changed on Tuesday, gaining about 0.2% in early trade following a 5% fall in the prior session after the conglomerate's board approved longtime CEO Warren Buffett's successor,

Buffett, one of the world’s richest people and most accomplished investors, took control of Berkshire Hathaway in 1965 when it was a textiles manufacturer. He turned the company into a conglomerate by finding other businesses and stocks to buy that were selling for less than they were worth.