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SPECIAL COVERAGE: Living With Wildfires: San Diego Firestorm 10 Years Later

Why Does The Stock Exchange Need A Trading Floor?

Audio

The New York Stock Exchange was closed Monday and Tuesday because of Sandy. The CEO of the Exchange says everyone's pushing to reopen stock markets no later than Wednesday. Which raises the question -- why do we need a physical trading floor to conduct business? Robert Siegel asks that question of Professor Jeremy Siegel of the Wharton School at the University of Pennsylvania.

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