Is Silicon Valley Innovation Enough?

Feb. 8 (Bloomberg) -- Columbia University Earth Institute Director Jeffrey Sachs talks about technological innovation. Bloomberg Television's "Bloomberg Surveillance." (Source: Bloomberg)
Equity Valuations Lofty, Earnings Lousy: Morganlander
31:03 - Stifel Nicolaus' Chad Morganlander and Bloomberg's Michael Regan discuss the global selloff in stocks with Bloomberg's Pimm Fox on "Taking Stock." (Source: Bloomberg)
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