What Herbalife Halt Means for Ackman & KPMG

11:03 AM ET Tue, 9 April 2013

CNBC's Kate Kelly takes a look at how Ackman's Pershing Square holdings are performing so far this quarter. And CNBC's David Faber reports on alleged insider trading by one of KPMG's former partners, with the "Squawk on the Street" news team.