JD.com, Inc.’s JD shares declined 1.2% after the company reported second-quarter fiscal 2018 loss of -$0.23 per share, wider than the Zacks Consensus Estimate of a loss of -$0.02 per shareShares of J. C. Penney Company, Inc. JCP plummeted 27% after the company reported second-quarter fiscal 2018 loss of -$0.38 per share, wider than the Zacks Consensus Estimate of a loss of -$0.08 per sharePfizer Inc.’s PFE shares gained 0.6% on news that the company had entered into a partnership with BioNTech, a privately held German biotech company, to develop more effective flu vaccinesShares of Amazon.com, Inc. AMZN gained 0.2% on news that the e-commerce giant was competing with other suitors to acquire Landmark TheatresWant the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Amazon.com, Inc. (AMZN): Free Stock Analysis Report JD.com, Inc. (JD): Free Stock Analysis Report Pfizer Inc. (PFE): Free Stock Analysis Report J. C. Penney Company, Inc. (JCP): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research