It's probably not very well known that one of my top 3 people to read when it comes to finance and investing is Jason Voss. His remarkable success allowed him to retire at a young age and now he is a content director at CFA Institute. I try to read as much as I possibly can from Jason because he always offers unique and thought provoking insights. If you want to be a smart investor I highly recommend reading the following article, which is a catalog of r-squared's. "Seeing is not believing" when it comes to charts according to Jason. It's very important to use multiple tools when you look at charts if you want to be a successful investor and look at things differently than everyone else. Mr. Voss says it best, "Understanding data well requires a combination of visuals and statistical measures.