Tesla (TSLA) held its long-awaited robotaxi event, unveiling the Cybercab with a price tag of $30,000. However, that was not the only product investors saw. CEO Elon Musk also showcased the company's Optimus robots, humanoid machines that he claims will be Tesla's "biggest product ever."

Musk believes that these robots could boost the automaker's market capitalization to $25 trillion.

Yahoo Finance special reporter Akiko Fujita breaks down the details, discussing the price of these robots and the intended use cases. Read up on Akiko's coverage of the Amazon-owned (AMZN) robotaxi operator Zoox.

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This post was written by Angel Smith