An army of retail investors gathered on Reddit’s WallStreetBets forum to take on short-selling hedge funds and send shares in video game retailer GameStop, and several other 'meme stocks', on a rollercoaster ride. The FT explains how the short squeeze unfolded on WallStreetBets and examines what it means for hedge funds and short-selling. Read more at https://on.ft.com/3cmg6AB Produced, directed and edited by Daniel Garrahan #gamestop #wallstreetbets #reddit See if you get the FT for free as a student (http://ft.com/schoolsarefree) or start a £1 trial: https://subs.ft.com/spa3_trial?segmentId=3d4ba81b-96bb-cef0-9ece-29efd6ef2132 ► Check out our Community tab for more stories or to suggest videos. ► Listen to our podcasts: https://www.ft.com/podcasts ► Follow us on Instagram: https://www.instagram.com/financialtimes