The following video is from Thursday's MarketFoolery podcast, in which host Rex Moore, along with analysts Charly Travers and Jason Moser discuss the top business and investing stories of the day.

Shares of PetSmart (PETM) dropped on Thursday after the retailer issued disappointing guidance for 2013. Is PetSmart facing a serious threat from Amazon.com (AMZN 1.30%)? In this installment of MarketFoolery, our analysts discuss what it means for investors.

Amazon may be the king of the retail world right now, but at its sky-high valuation, most investors are worried it's the company's share price that will get knocked down instead of its competitors'. We'll tell you what's driving the company's growth, and fill you in on reasons to buy and reasons to sell Amazon in our Motley Fool premium report. Simply click here now to get started.

The relevant video segment can be found between 7:49 and 11:04.

For the full video of today's MarketFoolery, click here.