The conglomerate added to its existing positions in two other stocks. One stands out as the best choice for income and value investors and should have solid growth prospects. One of the world's greatest investors isn't doing much investing these days.

Warren Buffett has recently engaged in a significant sell-off of stocks while amassing a substantial cash reserve. Learn how investor wariness can impact hiring.

Note, though, that Buffett has two lieutenants, Ted Weschler and Todd Combs, who also make many investment decisions. So any given purchase or sale may have been directed by any of the three. In its last reported quarter, which ended on Sept. 30, here were Berkshire's top holdings: