Why Does Ackman Say Herbalife Is a Pyramid Scheme?

Dec. 20 (Bloomberg) -- Julie Hyman reports on Pershing Square Capital management CEO Bill Ackman shorting Herbalife. She speaks on Bloomberg Television's "Street Smart." (Source: Bloomberg)
The Benefits of EMV Credit Card Chip Technology
20:04 - Ellen Richey, Visa's chief enterprise risk officer, explains the benefits of EMV credit card chip technology. She speaks with Bloomberg's Emily Chang on "Bloomberg West." (Source: Bloomberg)
  • ‘The Martian’: $108 Million Movie Debuts This Weekend
  • What’s Behind the Labor Market is Slow Down?
  • How GE Is Appealing to the Tech Audience