Photo Wars: Can Twitter and Instagram Coexist?

Dec. 12 (Bloomberg) -- Twitter VP of Product Michael Sippey discusses new profile pages for Twitter users. He speaks with Jon Erlichman on Bloomberg Television's "Bloomberg West." (Source: Bloomberg)

Options Insight: How to Play ArcelorMittal
10:05 - Barchart Bulls-Eye Options' Alan Knuckman discusses the performance of stocks and his options play for ArcelorMittal. He speaks with Bloomberg's Ramy Inocencio on "Bloomberg Markets." (Source: Bloomberg)
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