one reason is the tech companies have been immune to the trade tensions. the big detroit automakers say tariffs are cutting into profits. particularly steel and aluminum are raising costs for american au automak automakers. the carmakers are not the only ones hurt by the u.s. trade policy. whirlpool and harley-davidson as well as coca-cola. it will raise prices for rising aluminum tariffs. would you take a chauffeur ride on the next trip to walmart? how about a ride in a car without a driver? walmart is testing a program with waymo. it is shuttling customers to pick up grocery orders placed on line. it is only in arizona right now. walmart says the purpose is to