A US appeals court on Monday rejected a bid by Uber, opening a new tab and subsidiary Postmates to revive a challenge to a California law that could force the companies to treat drivers as employees rather than independent contractors who are typically less expensive. An 11-judge panel of the 9th US Circuit Court of Appeals in San Francisco upheld a lower court ruling that said Uber failed to show that the 2020 state law known as AB5 unfairly singled out app-based transportation companies while exempting ot ...