Crown Castle, American Tower climb after report that SpaceX in talks to access cell sites

** Shares of communications infrastructure firms jump in extended trading after Bloomberg News reports that SpaceX SPCX.O aims to secure cell sites across the US

** Crown Castle CCI.N soars more than 9%, while American Tower AMT.N jumps over 5%

** SpaceX is in talks with at least one major cellular infrastructure company to secure a minimum of 80,000 cell sites across the US, the report said, citing people familiar with the matter

** YTD, CCL down 11.3%, AMT up 3.4%, as of last close