Commentary Populism investing is here in a very big way, and Wall Street is not happy about it. What happened? Gaming GameStop Hedge funds have been heavily shorting GameStop (GME) stock this month. That means that they believed GME would fall in price. Savvy hedge fund managers at Melvin Capital and other Wall Street money managers just knew that the stock was over-valued. Only it wasn’t. The hedgies were very, very wrong—about $70 billion-worth of wrong overall this year so far. Instead, GME rose by over 1,600 percent since early January, driven by retail investors’ rampant buying of the popular gaming app security. Evidently, small investors realized that GME was actually under-valued. And why wouldn’t they? What else has there been to do month after month of lockdowns and work-from-home orders but binge watch Netflix and play video games? Granted, not everyone did so, but millions of Americans have and …