Tesla posts biggest quarterly loss despite 55% revenue rise

American automaker Tesla has reported a loss of around $675 million for the fourth quarter of 2017, its biggest-ever quarterly loss. However, Tesla also posted a 55% year-on-year increase in revenue to $11.8 billion for the fiscal year 2017. The company also revealed that it has a cash balance of $3.4 billion while entering the first quarter of 2018.