The meat-alternative specialist is a basket case. It's probably time to sell the stock.Beyond Meat (BYND +10.53%) -- the maker of plant-based meat alternatives that morphed into a meme stock this year -- entered the month of November with the unassuming valuation of just $1.65 per share. Within just three weeks' time, that already tiny number had been cut in half, and Beyond Meat was firmly in the penny stock category, trading at less than $0.86 per share.What went wrong last month? The answer has a lot to ...