Apple WWDC: Key takeaways, why the stock dropped

Apple's Worldwide Developers Conference kicking off today. Let's get out to Certino, California for more with Yahoo Finance's Dan Howie. Yeah, Josh.We're here at uh Certino's uh Apple's campus in Certino, California. They just wrapped up their WWDC keynote where Tim Cook uh took the stage. The big announcements out of the show, a whole new redesign for the operating systems that support Apple's products.That's iOS, which runs the iPhone, Mac OS, iPad OS, Watch OS. They're all getting a new design that resem ...