with arianna s huffington coming up. this is bloomberg. ♪ it's official, america. mobile is the fastest mobile service. and gives you unmatched savings with the best price for two lines of unlimited. only $30 a line per month. that means you could save hundreds a year over t-mobile, at&t and verizon. the fastest mobile service and major savings? can't argue with the facts. no wonder xfinity mobile is one of the fastest growing mobile services, now with over 5 million customers and counting. get in on the savings and switch today. >> welcome back to bloomberg technology i am caroline hyde with ed ludlow in san francisco. with the stocks pushing higher been nasdaq 100 was up. but one name is wishing at the moment. ed: yes it is tesla and it is hard to understand why. the stock is down more than 6% trading at a three week low. there are some headlines over the aggregate of the week. the pullback in production in shanghai. and the news report that elon musk is considering switching some of the unsecured debt for margin load -- loans in his financing. that could bring d