Markets suffer as U.S. companies report weak earnings

U.S. companies' reporting of weak earnings and concerns over Spain's role in the E.U. financial crisis hamper stock markets worldwide.

Protesters shout slogans during a demonstration outside Parliament as lawmakers debate budget spending cuts for 2013 in Madrid on Oct. 23, 2012. (Associated Press)

Protesters shout slogans during a demonstration outside Parliament as lawmakers debate budget spending cuts for 2013 in Madrid on Oct. 23, 2012. (Associated Press)

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