Click here to read "Greenberg: This Market's the Greater Fool Theory"Editor's Note: This article was originally published on Real Money on Sept. 18. To see the latest commentary as it's published, sign up for a free trial of Real Money.
Keep an eye on Yelp and Paycom.
This is a peculiar point in the calendar when there's no news, but plenty of volatility.
Watch: Chicken Soup for the Soul is moving deeper into video.