The producer of plant-based meat products still needs to overcome a lot of challenges.Beyond Meat (BYND -0.13%), a leading producer of plant-based meat substitute products, went public on May 2, 2019, at $25 a share. Its stock closed at $65.75 on the first day and subsequently soared to an all-time high of $234.90 on July 26, 2019.At its peak, Beyond Meat's market cap reached $14.1 billion, or 47 times the revenue it would actually generate in 2019. The bubbly valuation made an easy target for the bears as ...