Merck's Magic Sleeping Pills Wake Up Big Pharma

May 23 (Bloomberg) -- A new sleeping pill may beat insomnia without leaving you groggy first thing in the morning. It's been a white whale for the pharma industry, but that may not last. FDA approval would mean big money for the likes of Merck and other competitors trying to crack the code. Bloomberg's Olivia Sterns reports on "In the Loop." (Source: Bloomberg)
Aetna to Buy Humana for $37 Billion
20:24 - 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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