Elon Musk's net worth surged by $19 billion after Tesla's robotaxi launch in Austin.
Tesla stock rose 8% on Monday following the launch where select users were offered rides for $4.20.
Analysts believe the hype around robotaxis is already factored into Tesla's stock price and caution about execution risks.
The surge in Tesla's stock price on Monday translated into a $19 billion gain for Elon Musk, maintaining his position as the world's richest person.
Despite a $47.5 billion loss since the start of the year, Musk's current net worth stands at $385 billion.
Musk acknowledged Tesla's internal teams for the robotaxi launch, calling it the result of a decade of hard work.
UBS analysts raised their target price on Tesla's stock to $215 with a 'Sell' rating, highlighting that much of the optimism is already reflected in the stock.
Other analysts raised concerns about the challenges Tesla faces in safety, operation, infrastructure, sensor constraints, and real-world deployment for the robotaxi service.
Elon Musk's net worth exceeds that of the world's second richest person, Mark Zuckerberg, by $139 billion and surpasses Jeff Bezos' by $155 billion.
The robotaxi launch was a highly anticipated event for Tesla and its supporters, driving the stock price up on Monday.