Early Movers: BAC, BLK, UNH & More By: CNBC.com News January 17, 2013 at 07:55 AM EST These are the stocks posting the largest moves before the bell. Read More >> Related Stocks: Bank of America BlackRock Boeing Co CBS Corp Cisco Systems Herbalife Ltd Kraft Foods Group Mondelez International Oneok Inc UnitedHealth Group Williams-Sonoma eBay