Warren Buffett’s Berkshire Hathaway added at least two new positions to its portfolio in the first quarter, and increased stakes in several other holdings. Berkshire added a 10-million-share new position in General Motors to its portfolio during the quarter, as well as a new 1.6-million-share position in Viacom, according to CNBC. Based on the size […]
Read more
May 15, 2012 






