Stifel Nicolaus Upgrades Pepsico To Buy, Shares Gain By: Benzinga via Benzinga July 24, 2014 at 08:21 AM EDT Analysts at Stifel Nicolaus upgraded Pepsico (NYSE: PEP) from Hold to Buy. Pepsico shares have gained 6.05% over the past 52 weeks, ... Read More >> Related Stocks: PepsiCo