When Will Tumblr Make Money for Yahoo? CEO Answers

May 13 (Bloomberg) –- Tumblr Founder and CEO David Karp discusses his company’s business model and mobile strategy. He speaks on Bloomberg Television’s “Market Makers.” (Source: Bloomberg)

How to Trade the Health Care Select Sector SPDR Fund
33:15 - Mark Sebastian, managing partner at Option Pit, discusses the performance of stocks and his options play for the Health Care Select Sector SPDR Fund. He speaks with Bloomberg's Abigail Doolittle on "Bloomberg Markets." (Source: Bloomberg)
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