In this photo released by the New York Stock Exchange, Thursday, Oct. 29, 2009, executives and guests with Juniper Networks, Inc. attend the opening bell ceremony. The Sunnyvale, Calif.  Investors heartened by news of a stronger-than-expected economy went back into the stock market after a four-day slide. AP Photo logo AP Photo 28 months ago

In this photo released by the New York Stock Exchange, Thursday, Oct. 29, 2009, executives and guests with Juniper Networks, Inc. attend the opening bell ceremony. The Sunnyvale, Calif. Investors heartened by news of a stronger-than-expected economy went back into the stock market after a four-day slide.