When a company that most people have written off more or less for dead suddenly sees its stock price skyrocket by nearly 180% for no apparent reason, it’s the kind of thing that catches one’s attention. So it is with gaming retailer GameStop, a relic of the pre-Internet era when people had to drive to the mall to get the latest Call of Duty, rather than download it directly to their console or pre-order a physical disk for mail delivery.