Qihoo Beats Twitter as Top Tech R&D Spender

Nov. 22 (Bloomberg) -- Qihoo 360 Technology Co., operator of China’s second-largest search engine, beat Twitter as the biggest spender in research and development among the world’s largest software and computer-services companies. Stephen Engle reports on Bloomberg Television's "First Up." (Source: Bloomberg)
Aetna to Buy Humana for $37 Billion
17:23 - 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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