Uno Pizzeria & Grill said Tuesday that it is adding Beyond Meat Inc. burgers and vegan cheese to menus at nine East Coast locations and rolling out the items nationwide this fall. The addition comes after talks with PETA, Uno said in a statement. Beyond Meat has recently partnered with a number of chains, including Yum Brands Inc.'s KFC and Dunkin Brands Inc. . Beyond Meat stock is down 2.2% in Tuesday trading, and down 13% over the past three months. The S&P 500 index is up 2.7% for the last three months.