McDonald's quarterly profit slipped about 1 percent as comparable sales in its struggling U.S. business fell, hurt by lower consumer traffic.
But at Verizon Communications, "wireless margins came under just a bit of pressure," a top analyst tells CNBC.
Coca-Cola is "making steady progress" in North America, CEO Muhtar Kent tells CNBC.
Comcast reported quarterly earnings that beat analysts' expectations on Tuesday.
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