California lawmakers and labor unions rallied on Monday to call for laws to not allow autonomous trucks without human drivers, amid rising safety concerns after accidents involving self-driving taxis from General Motors and Alphabet. A robotaxi from Alphabet's Waymo was torched by people celebrating Chinese New Year on Saturday, marking the most destructive attack so far on driverless vehicles in the U.S. This comes after a Waymo vehicle hit a cyclist at a city intersection last week and a major accident in October where a GM Cruise robotaxi hit and dragged a pedestrian 20 feet (6 meters). The act of vandalism reflect a chaotic environment for robotaxis in San Francisco, where public ire has risen after the dragging and bicyclist accidents...

The S&P 500 closed above 5,000 for the first time on Friday, propelled by strong earnings from mega-cap technology companies. Now investors are focused on whether positive momentum can broaden out beyond the Magnificent Seven components. Yahoo Finance Markets Reporter Josh Schafer breaks down the details. For more expert insight and the latest market action, click here to watch this full episode of Yahoo Finance Live. Editor's note: This article was written by Angel Smith...