Amazon Takes on Waymo and Tesla With Massive Robotaxi Launch in San Francisco. What That Means for AMZN Stock.

Amazon's (AMZN) push into self-driving cars just gained momentum. Its Zoox unit is now running fully autonomous vehicles on public roads in San Francisco, California, one of the country's toughest and most closely watched robotaxi markets.

For a company mostly known for e-commerce and cloud computing, this is a big step that unlocks another revenue stream. The move puts Amazon squarely in a race that Alphabet's (GOOGL) Waymo already leads, and one that Tesla (TSLA) is eyeing as well.