Apple went off to a good start with its new generation of iPhone - in just the first weekend the company shipped 9 million units of the 5s and 5c combined. But analyst Gene Munster of Piper Jaffray thinks this is mostly thanks to the iPhone 5s, which was the top selling device in the US for the month of September. Munster contacted 60 Apple stores and found that the iPhone 5s availability...
Source: http://www.gsmarena.com/iphone_5s_stock_almost_out_in_the_us_iphone_5c_fully_available-news-6964.php