Below are the current SP+ rankings, last updated after the games of Dec. 20. What is SP+? In a single sentence, it's a tempo- and opponent-adjusted measure of college football efficiency that I ...

Julie Young is an experienced financial writer and editor. She specializes in financial analysis in capital planning and investment management. Gordon Scott has been an active investor and technical ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Gordon Scott has been an active investor and technical analyst or 20+ years. He ...