Tesla boss Elon Musk has sold $6.88bn worth of shares in the electric car maker.
Musk says he needs the money in case he is forced to buy Twitter for $44bn.
The multi-billionaire is currently embroiled in a legal battle with the social media platform after saying last month he would pull out of a deal to buy it.
Wedbush Securities managing director and former Wall Street tech analyst Daniel Ives spoke to Corin Dann.