Tesla is now testing its robotaxi fleet in Austin without human safety monitors inside the vehicles, Elon Musk said.

The robotaxis are guided by Tesla’s Full-Self Driving (FSD) software, which is also available on the cars it sells to buyers.

Tesla shares climbed to the top of Yahoo Finance’s list of trending tickers on Monday as investors reacted to progress in the electric carmaker’s robotaxi programme. The company has been developing ...