By Jonathan Stempel (Reuters) -VeriSign shares fell on Tuesday after Warren Buffett's Berkshire Hathaway sold nearly one-third of its stake in the internet infrastructure and domain name registry company for $1.

Which of his top five stocks is the best pick depends on your investing style. The best overall stock, though, could be the one to which Buffett has given the highest praise. However, Buffett has over $1 trillion of Berkshire's portfolio invested in other publicly traded companies.

Berkshire Hathaway stock has been in a funk since the company’s May 3 annual meeting, when CEO Warren Buffett said he would step down as CEO at the end of the year. That has created an opportuni