Dyna Robotics, a startup working to develop cost-effective, general-purpose robots, has raised $120 million in a new funding round that boosts the company’s valuation to more than $600 million.The financing, which Dyna is set to announce on Monday, was led by CRV, First Round Capital and RoboStrategy, a fund focused on robotics. Several technology heavyweights, including the venture capital arms of Nvidia Corp., Amazon.com Inc. and Salesforce Inc., also participated in the round....