Warren Buffett's Berkshire Hikes GM Stake by 67% Feb 15, 2013 by Kelly Scott in warren buffett with No Comments Let’s find out what Warren Buffett is up to lately: Warren Buffett's Berkshire Hikes GM Stake by 67%- cnbc.com Berkshire Hathaway has increased its bet on General Motors. Continue Reading On cnbc.com » Related Posts: Here are some related posts you may have missed: Berkshire Takes Stake in Starz, Chicago Bridge & Iron Why Moody's Won't Downgrade Berkshire Hathaway Buffett Puts $1.9 Billion into Iowa Wind Energy Buffett's Berkshire Eliminates Two Small Stakes Larry Page Chooses Buffett’s Path on Health Issues