Yet, Buffett’s Berkshire Hathaway is doubling down on the company, which it first invested in more than a decade ago. The conglomerate bought up about 377,736 shares totaling ar

Warren Buffett’s Berkshire Hathaway Inc. added to his stake in the internet domain-name-registry company VeriSign Inc. in the final week of the year, according to a regulatory filing.

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