shares of tmobile us inc tmus slumped 064 to 14370 tuesday on what proved to be an allaround rough trading session for the stock market with the sp 500 index spx falling 064 to 410990 and dow jones industrial average djia falling 101 to 3301214 tmobile us inc closed 1068 below its 52week high 15438 which the company reached on november 2nd despite its losses the stock outperformed some of its competitors tuesday as verizon communications inc vz fell 196 to 3605 and att inc t fell 248 to 1653 trading volume 37 m remained 17 million below its 50day average volume of 53 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use