Buffett quadruples stake in WellPoint
Billionaire investor Warren Buffett’s Berkshire Hathaway Inc. boosted its stake in WellPoint Inc. to 4.2 million shares in the second quarter, according to a regulatory filing. The stake represents less than 1 percent of WellPoint’s common stock. Even so, it’s a fourfold increase from the first quarter, when Berkshire reported that it had amassed 979,000 […]