A man stands outside a securities firm in Tokyo Thursday, Nov. 8, 2012. Asian stock markets tumbled Thursday after a ratings agency threatened to downgrade the U.S. if a solution to the so-called fiscal cliff isn&#x27;t negotiated among lawmakers and newly re-elected President Barack Obama. Japan&#x27;s Nikkei 225 index shed 1.7 percent to 8,822.15. (AP Photo/Junji Kurokawa)
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