Check out the companies making headlines midday Tuesday:

Beyond Meat — Shares of the meat-substitute maker plunged 25% after an analyst at J.P. Morgan downgraded them to neutral from overweight. The analyst said "this downgrade is purely a valuation call," noting: "As we wrote last week, 'At some point, the extraordinary revenue and profit potential embedded in BYND… will be priced in' – we think this day has arrived."