If you have been paying any attention to the news over the past few weeks, you may have heard of the exponential rise and the equally dramatic drop in the share price of video game retailer GameStop (GME) and other "meme" stocks — those favored by millennials — like AMC Theaters. The two-week frenzy, which pitted individual amateur investors against seasoned professionals — and resulted in a Congressional inquiry— began rather innocently in an online community on Reddit.