Samsung Unveils Galaxy S4 Challenging Apple Lead

March 14 (Bloomberg) -- Samsung unveiled the Galaxy S4 with a bigger screen and software that tracks eye movements as the world’s biggest smartphone seller takes its battle with Apple to the iPhone maker’s home market. Cory Johnson reports on Bloomberg Television's "Bloomberg Rewind." (Source: Bloomberg)
Aetna to Buy Humana for $37 Billion
50:58 - Bloomberg's Francine Lacqua and Manus Cranny report on today's "Top Headlines." They speak on Bloomberg Television's "The Pulse." (Source: Bloomberg)
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