In its annual report for 2011, Berkshire Hathaway (BRK.A) (BRK.B) reported common stock investments in eleven companies that each had a market value exceeding $1 billion. However, there has been only one of these companies that Warren Buffett has been adding to every year since 2005.
That company is Wells Fargo (WFC). Berkshire further added to its stake in Wells Fargo during the first quarter of 2012.
Currently, Wells Fargo is Berkshire’s second largest investment, valued [...]
