A man uses a smartphone in New York City, in this picture taken November 6, 2013. Twitter Inc raised the top end of its IPO price range by 25 percent and will close its books a day early, signaling ... more 
A man uses a smartphone in New York City, in this picture taken November 6, 2013. Twitter Inc raised the top end of its IPO price range by 25 percent and will close its books a day early, signaling strong demand for the most closely watched Silicon Valley debut since Facebook Inc last year. REUTERS/Mike Segar (UNITED STATES - Tags: SCIENCE TECHNOLOGY BUSINESS TELECOMS) less 
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Reuters | Photo By MIKE SEGAR / REUTERS
Wed, Nov 6, 2013 12:34 PM EST