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In this Monday, Nov. 4, 2013, photo, traffic drives past Twitter headquarters in San Francisco. The company recently raised its price range to $23-$25 per share, following strong investor demand, and is expected to start trading on the New York Stock Exchange on Thursday, Nov. 7, 2013. The company recently raised its price range to $23-$25 per share, following strong investor demand, and is expected to start trading on the New York Stock Exchange on Thursday, Nov. 7, 2013. (AP Photo/Jeff Chiu)