These stocks have taken investors on rollercoaster rides that are unlikely to end well.There's a long list of stocks that soared during the pandemic only to crash as consumer behavior changed. Some of those stocks have staged recoveries, while others remain deep in negative territory and may never reclaim those pandemic-era highs.Peloton (PTON 10.51%) and Beyond Meat (BYND 2.37%) were high-flyers during the pandemic, but plunging demand for pricey exercise bikes and fake meat products has put the stocks thr ...