The following video is part of our "Motley Fool Conversations" series, in which analyst Rex Moore discusses topics around the investing world.

People generally form conclusions about a stock early in their research, and from that point on they seek out evidence that confirms their hypothesis. This "confirmation bias" means they're not likely to change their conclusions even in light of compelling contrary evidence. As you might imagine, this can be detrimental to your stock returns. Today, Rex talks with the Fool's Buck Hartzell about overcoming confirmation bias.

The emergence of mobile computing isn't a new story, but there's still plenty of opportunity for savvy investors to cash in on this once-in-a-lifetime trend. We already know many of the largest players well, but some of the best ways to play this shift are still under the radar. To expose our readers to these companies, the Fool recently wrote a free report detailing three unknown ways to play the mobile revolution. We made it absolutely free to our readers as well, so check out "3 Hidden Winners of the iPhone, iPad, and Android Revolution." The report is free today but won't be forever, so check out your copy today by clicking here. Enjoy, and Fool on!

Rex Moore has no positions in the stocks mentioned above. The Motley Fool owns shares of Amazon.com and Wal-Mart Stores. Motley Fool newsletter services recommend Amazon.com, Netflix and Wal-Mart Stores. Try any of our Foolish newsletter services free for 30 days. We Fools don't 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.