Below are two recent articles on current stock market valuations that I found to be particularly insightful. One is focused on the U.S. market and the other on global markets.
U.S. stock market:
https://www.thefelderreport.com/2016/02/05/mind-the-gaps/
Global stock market:
http://awealthofcommonsense.com/2016/02/when-global-stocks-go-on-sale/
I hope you find the information provided as interesting as I do.
Best regards and Godspeed,
Jeff