Simply Good Foods upgraded by Jefferies on Quest brand’s momentum amid 'protein megatrend' Proactive uses images sourced from Shutterstock Jefferies has upgraded shares of The Simply Good Foods Company (NASDAQ:SMPL), arguing that the company’s valuation does not fully reflect the strength of its Quest brand and broader exposure to growing demand for protein-focused products. The analysts see the company as well-positioned within the “protein megatrend,” with more than 85% of its sales tied to “Easy Prote ...