Bernstein downgrades Beyond Meat after third-quarter miss, says don't buy the dip in the stock

Beyond Meat "Beyond Burger" patties made from plant-based substitutes for meat products sit on a shelf for sale on November 15, 2019 in New York City.
Angela Weiss | AFP | Getty Images

Investors should not jump in on a struggling Beyond Meat stock after a weak third-quarter report, according to investment firm Bernstein.