Wall Street edgy ahead of McDonald's, Coca-Cola By: CNBC.com News April 22, 2015 at 05:56 AM EDT U.S. stock index futures pointed to a lower open on Wednesday, ahead of more major earnings releases and some key housing data. Read More >> Related Stocks: AT&T Inc Atlantic Power Corp Bank of New York Mellon Boeing Co Coca-Cola Enterprises Facebook McDonald's Corp Qualcomm, Inc. Sentinelone Inc Cl A Six Flags Entertainment Corp Texas Instruments eBay