Earnings Preview : AMZN, AXP, PEP, COF Some more big name companies are going to take their turn reporting earnings tomorrow. Here are a couple of the stocks to keep an eye out for tomorrow when they report earnings: Amazon.com Inc. (AMZN) : Following tomorrow's market close, online auction giant Amazon is going to report its first quarter results. Analysts are forecasting earnings of $0.61 per share, verses $0.41 during the same period last year. American Express Co. (AXP) ...