BY THE NUMBERS

Futures were higher this morning after an unusual session which saw the Dow chalk up a triple-gain while the Nasdaq was falling just over 1 percent. The Nasdaq was primarily impacted by Facebook's tumble, but it is still on track for a positive week. (CNBC)

* Facebook's $100 billion-plus rout is the biggest loss in stock market history (CNBC)

Investors will get their first look at second-quarter GDP this morning at 8:30 a.m. ET, with consensus forecasts calling for a 4.4 percent annual growth rate. At 10 a.m. ET, the University of Michigan will issue its final July consumer sentiment index, expected to rise to 97.3 from the mid-month reading of 97.1. (CNBC)

* Trump says he will be happy with a GDP number with a '4' in front of it (CNBC)