Stock market bulls and bears struggle for control By: CNBC.com News August 07, 2013 at 22:07 PM EDT Bulls and bears have been duking it out this week in the worst three day sell off for stocks in two months. Read More >> Related Stocks: AES Corp AMC Networks Cl A Agrium, Inc. Monster Beverage Rio Tinto Plc ADR Scripps Networks Interactive The Priceline Group