Many investors follow Berkshire Hathaway 's (NYSE: BRK.A) (NYSE: BRK.B) $293.8 billion portfolio because those stocks were approved by Warren Buffett himself. Even though Buffett plans to step down as Berkshire's chief executive officer this year, his successor, Greg Abel, probably won't dramatically shake up those top holdings.

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. It’s created an opportunity for investors to follow his advice to buy when others are fearful.

Berkshire Hathaway ( NYSE: BRK.A) ( NYSE: BRK.B) sold about one-third of its stake in VeriSign ( NASDAQ: VRSN )—an internet infrastructure and domain name registry services company—disposing of 4.3 million shares at $285, raising ~$1.23 billion in gross proceeds.