Tesla shares have sunk after it reportedly pushed back the unveiling of its self-driving taxis.

The electric car maker’s shares were down 1.8pc in premarket trading following an 8.4pc plunge on Thursday, which was its largest fall since January.

It comes as Elon Musk’s car maker is pushing back the big-reveal of its so-called Robotaxis from August to October, according to Bloomberg News.

In recent months, Tesla’s chief executive has tried to reposition the company, pitching it as not simply another EV manufacturer but as a leader in self-driving technology.

As a paid-for software upgrade, it has the potential to dramatically improve Tesla’s profits compared to the famously tight margins of the car making industry.

Renting cars out as autonomous taxis would also present a new line of business: Uber without the need to pay a driver.

Read the latest updates below.