This could spur market rally: Portfolio manager By: CNBC.com News October 07, 2015 at 16:24 PM EDT The market could rally on earnings, John Carey said. However, portfolio manager Dave Ellison sees three challenges for the market and corporations. Read More >> Related Stocks: Alcoa Citigroup Fifth Third Bancorp General Motors HSN, Inc. Kinder Morgan U.S. Bancorp Wells Fargo Zimmer Holdings