Investors will be looking to see how the iPhone 7 sold a few weeks after release and what guidance will be for Apple's holiday quarter.
The digital advertising world is dominated by Facebook and Alphabet. When Alphabet reports third-quarter results, investors will be looking to see which side is winning the fight.
Most of the 11 S&P sectors have declining momentum, the charts show.
Here's your 'silver linings playbook' for what promises to be a nerve-wracking week of unpredictable politics, mixed corporate earnings and volatile energy prices.