Swiss drugmaker Roche Holding AG plans to sell its 800-employee drug manufacturing plant in Vacaville, California, or it will shut the factory by 2029, according to e-mailed letters to workers seen by Reuters on Wednesday. The company said in a statement it does not expect to need the very large volumes of the medicines the plant provides, and large-scale production will be done in one of the company's newer plants. Source: Reuters 6/6/2023