Cyber Threat Potentially Most Damaging, Ridge Says

Nov. 12 (Bloomberg) -- Tom Ridge, former U.S. Secretary of Homeland Security and now leader of the U.S. Chamber of Commerce's national security task force, discusses cyber risks and the U.S. response to Hurricane Sandy. The former Governor of Pennsylvania speaks with Bloomberg Television's Elliott Gotkine at the International Homeland Security Conference in Tel Aviv. (Source: Bloomberg)

Options Insight: How to Trade Twitter
15:36 - Jim Strugger, MKM Holdings derivatives strategist, discusses the volatility in stocks and his Twitter options strategy. He speaks with Bloomberg's Julie Hyman on "Bloomberg Markets." (Source: Bloomberg)
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