Why you really shouldn't buy "SIKE". Join Motley Fool banking analyst David Hanson and Matt Koppenheffer as they reveal their April Fool's day jokes and discuss the importance of understanding the business and valuation of the stock you are buying.

David Hanson owns shares of Berkshire Hathaway, Facebook, Goldman Sachs, Markel, and Zillow. Matt Koppenheffer owns shares of Berkshire Hathaway, Goldman Sachs, Markel, and Zillow. The Motley Fool recommends Berkshire Hathaway, Facebook, Goldman Sachs, Markel, and Zillow. The Motley Fool owns shares of Berkshire Hathaway, Facebook, Markel, and Zillow. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.