It's the busiest week of the earnings season, and it could have major consequences for the stock market. This quarter: The fast-food giant is expected to report single-digit earnings and revenue growth from the year-earlier period, LSEG shows. Amazon is set to report earnings after the close. What history shows: Pfizer earnings beat earnings expectations 87% of the time, per Bespoke. Thursday Apple is set to report earnings after the bell.

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Persons: Jeffrey Bernstein, Bernstein, JPMorgan's Andrea Teixeira, Teixeira, AMZN, Joseph Feldman, Feldman, AAPL, —, Apple Organizations: Apple, Pfizer, IBM, CNBC, Barclays, Investment, Management, AWS, Amazon, pharma, Food and Drug Administration, UBS Locations: China