Chipotle Mexican Grill stock fell after it delivered a mixed report on Tuesday.
Yahoo CEO Marissa Mayer said the firm is going through a "transformation" seeking to return it to "greatness."
Coca-Cola shares are in a precarious position ahead of earnings, says one market technician.
Amgen's product sales rose 12 percent as the company easily beat Wall Street's first-quarter earnings and revenue estimates.
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