Markets open for business

9:29 AM ET Mon, 22 July 2013

The "Squawk on the Street" crew shares their thoughts on what investors should be watching throughout the trading day. Today, Dan Loeb of Third Point sells 40 million shares back to Yahoo!. Now, says David Faber, he's likely to turn his attention to Sony. And Hasbro has a bad morning. With CNBC's Bob Pisani.