Twitter's 2 questions, in more than 140 characters By: CNBC.com News September 13, 2013 at 10:18 AM EDT I've been asked two things about the Twitter initial public offering in the last 15 hours: where will it list, and how much will it float? Read More >> Related Stocks: American International Group Bank of America Blackstone Inc General Electric Nasdaq OMX Group SL Green Realty Corp Verizon Communications Vornado Realty Trust