Stocks making the biggest moves midday: Alcoa, Nio, Williams-Sonoma, Chefs’ Warehouse and more
Rolled aluminum is fed into a machine on the auto treatment line at the Alcoa Inc. Davenport Works aluminum facility in Riverdale, Iowa. Daniel Acker | Bloomberg | Getty Images Check out the companies making headlines in midday trading. Alcoa — Shares of the aluminum stock slipped 5% after the company said executive vice president William…