Inside the Reddit stock frenzy: Who are the WallStreetBets and what’s driving this market?

The GameStop frenzy on Wall Street has investors, and much of the internet, enraptured — not unlike a good horror movie. Everyone knows doom is just around the corner for some key players; a lucky few will emerge stronger; and the monster might be subdued but will ultimately come back for a sequel. Here’s what you need to know.