The U.S. market value of the plant-based food industry reached an all-time high last year. According to a new report from the Plant Based Food Association, retail sales of plant-based foods reached $7.4 billion, but questions are arising over whether the industry can sustain the levels of growth it had in the past few years. Julie Emmett, senior director of marketplace development at the Plant Based Food Association, joined Cheddar News' Closing Bell to discuss.