The boss of the electric car company is on trial after investors claimed the 2018 tweet cost them millions of dollars when a deal did not go ahead. Mr Musk claims that he had met with a Saudi Arabia sovereign wealth fund which indicated support for a deal. But he admitted he never discussed a specific funding amount. Mr Musk is accused of defrauding investors after he tweeted on 7 August 2018 that he had "funding secured" to take Tesla