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Muppet Kermit the Frog rings the opening bell at the New York Stock Exchange...Muppet Kermit the Frog rings the opening bell at the New York Stock Exchange March 17, 2014.  Kermit rang the bell to celebrate Disney's new movie "Muppets Most Wanted." REUTERS/Brendan McDermid (UNITED STATES - Tags: ENTERTAINMENT)

Brendan McDermid/Reuters

Kermit the Frog rings the opening bell at the New York Stock Exchange on Monday. Kermit rang the bell to celebrate Disney’s new movie Muppets Most Wanted

Rain drops on a car window reflect a woman walking past a stock index board in Tokyo...Rain drops on a car window reflect a woman walking past a stock index board in Tokyo October 2, 2013. The Nikkei stock average fell to a two-week low on Wednesday, having failed to maintain earlier gains in a choppy session, after Japan's Prime Minister Shinzo Abe's stimulus package unveiled the previous day offered little impetus for fresh buying. The image was rotated 180 degrees.   REUTERS/Toru Hanai

Toru Hanai/Reuters

Rain drops on a car window reflect a woman walking past a stock index board in Tokyo. The Nikkei stock average fell to a two-week low on Wednesday, having failed to maintain earlier gains in a choppy session, after Japan‘s Prime Minister Shinzo Abe‘s stimulus package unveiled the previous day offered little impetus for fresh buying. The image was rotated 180 degrees.