Why did Reddit turn Bed Bath & Beyond into the latest meme stock?

Reddit’s new favorite meme stock is doing what meme stocks do: spiking to an unsettling degree. 

This time the stock symbol riding the r/wallstreetbets roller coaster is "BBBY," for Bed Bath & Beyond, the brick-and-mortar chain store where you can pick up a Keurig machine and some candles, and save big with one of their...