Benzinga's Top Upgrades By: Benzinga via Benzinga September 14, 2015 at 09:25 AM EDT Analysts at SunTrust Robinson Humphrey upgraded Exelon Corporation (NYSE: EXC) from Neutral to Buy. The price target for Exelon has ... Read More >> Related Stocks: Astrazeneca Plc ADR Exelon Corp Ingredion Inc Mack-Cali Realty Corp Oppenheimer Holdings Taubman Centers USA Technologies Inc Vertex Pharmaceuticals Xilinx