VeriSign is ranked 5th in the S&P 500 for the highest profit margin, at about 56%, tied with Nvidia, according to third-quarter financial data.

Geico, and pension plans of other Berkshire Hathaway units bought nearly $30 million of shares of domain-name registry firm VeriSign.

Warren Buffett has invested more than $74 million in a Reston company best known for controlling internet domains for organizations across the globe.

Warren Buffett’s Berkshire Hathaway Inc. has been busy over the past week buying stock in an internet domain-name registry company, to extend its stature as the company’s largest shareholder.

Warren Buffett has been trimming stakes lately. So it was a surprise to see three huge insider purchases from Berkshire Hathaway last week.

Despite Buffett overseeing stakes in nearly four-dozen securities, the lion's share of Berkshire's invested assets have been put to work in seven top ideas.

It’s been a rocky week in the stock market. Warren Buffett’s Berkshire Hathaway has been buying. The Omaha, Neb., company boosted its positions in Occidental Petroleum, VeriSign and SiriusXM with stock purchases this Tuesday through Thursday,

Six blue-chip stocks aggressively backed by Warren Buffett are on sale on Wall Street as the year draws to a close, mainly due to broad economic factors and stock market fashion. That makes them worth a look,

Warren Buffett's Berkshire Hathaway continued to sell Apple stock in the third quarter, while starting a small position in Domino's Pizza. Apple has cultivated tremendous brand authority in consumer electronics,