Twitter's Costolo on Outlook, Innovation, Growth

April 30 (Bloomberg) -- Twitter Inc. Chief Executive Officer Dick Costolo talks about the outlook for the social-media website, innovation, and the company's growth model. He speaks with Emily Chang on Bloomberg Television's "Market Makers." (Source: Bloomberg)

Black Friday Markets: Retail Stocks vs. Retail ETFs
25:07 - Bloomberg's Alix Steel, Tracy Alloway and Keri Geiger examine the performance of retail ETFs against retail stocks during the holiday shopping season. They speak on "Bloomberg ‹GO›." (Source: Bloomberg)
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