Key PointsRobotaxis are proliferating around the country, led by Waymo.Autonomous vehicles and robots could be a multi-trillion-dollar industry.Arm has earned significant market share thanks to its power-efficient CPUs. 10 stocks we like better than Arm Holdings › For nearly a decade, technologists and business titans have predicted that self-driving cars are on the verge of going mainstream. Tesla (NASDAQ: TSLA) CEO Elon Musk has been talking u…