AMC is a meme stock, but ultimately, it's operating in a tough industry.Shares of iconic movie theater operator AMC (AMC 0.87%) have continued to disappoint: As of Dec. 1, they were down by more than 41% this year. Unfortunately, AMC finds itself in a business that has fallen out of favor, as more and more often, people choose to skip the theatrical experience and watch movies in the comfort of their homes on high-definition TVs through an array of streaming apps.In the third quarter, AMC's revenues decline ...