Vietnamese electric vehicle manufacturer VinFast(VFSroulettemachinecasino.US) fell 15roulettemachinecasino.5%roulettemachinecasino, quoted at $5.34. On the news front, the National Highway Traffic Safety Administration (NHTSA) said on Monday that it has investigated the incident in April this year.roulettemachinecasinoA formal investigation has been launched into a collision involving a VF8 SUV made by Vietnamese electric vehicle manufacturer VinFast that killed a family of four.