The following video is from Friday's edition of Investor Beat, in which host Chris Hill and Motley Fool analyst Charly Travers dissect the hardest-hitting investing stories from the market today.

Both General Motors and lululemon athletica announced major leadership changes this week, which has our analysts asking, what's in a CEO? In this segment, Chris and Charly discuss these and other recent CEO comings and goings, and talk about when a new CEO is good news, when it's bad news, and why it can sometimes be very difficult to know the difference in advance.

Then, is Amazon going after Costco next? There are unconfirmed reports swirling in the rumor mill that has its eye on creating a packaged-goods business, known as Amazon Pantry. Should companies like Costco or Wal-Mart, with its Sam's Club business, be deeply concerned on this news? Charly discusses why he sees this as a natural extension of Amazon's business, and why Costco and Wal-Mart will need to be following this story very carefully.

Finally, Charly tells investors why he loves Nike, and why he'll be watching closely when the company releases earnings next week. He and Chris also discuss what the World Cup and the Sochi Winter Olympics could mean for Nike in 2014.

Charly Travers has no position in any stocks mentioned. Chris Hill owns shares of The Motley Fool recommends, Costco Wholesale, General Motors, Lululemon Athletica, and Nike. The Motley Fool owns shares of, Costco Wholesale, and Nike. 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.