Block Says Tweet Hoax `Reflection of Our Times'

Feb. 1 (Bloomberg) -- Carson Block, founder of Muddy Waters Research, talks about a hoax Tweet that sent shares of Audience Inc. as much as 25 percent lower. He speaks with Cory Johnson on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)
The Benefits of EMV Credit Card Chip Technology
24:52 - 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)
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