After a strong rally Thursday, U.S. stock futures fell Friday ahead of GDP data that are expected to show a slowdown in Q4 from Q3.

At 8:30 a.m., data is expected to show U.S. real gross domestic product rose 3.2% in Q4 compared to 5.0% growth in Q3. The consensus range is between 2.2% growth and 3.5% growth, according to data compiled by Econoday.

In equities, ( AMZN ) shares surged 12% after reporting robust Q4 sales, although net income fell. Also, credit card giants MasterCard ( MA ) and Visa ( V ) rose after reporting quarterly results.