Berkshire Hathaway continued its purchases of Verisign in recent days, buying about $4 million of the company that provides Internet domain registry and other services. The small recent buys, approximately 20,

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

As the year comes to a close, Warren Buffett’s Berkshire Hathaway has continued to increase its stake in VeriSign, a leading provider of internet domain-name registry services. From December 26 to December 30,