Shares in the troubled video game company more than doubled Wednesday to $91.71 apiece, the stock's best day since Jan. 27, when it was going for $347.51 a share.

Wall Street hedge fund managers, Robinhood and Reddit CEOs face a grilling on Thursday afternoon from U.S. lawmakers over the Reddit rally.

The beliefs and behaviours of this new breed of retail investor are a far cry from those of typical stock market investors, says Pierre-Yann Dolbec of Concordia University.

Robinhood needed to secure funding in order to meet deposit thresholds required by organizations that handle the trading orders placed by investors on its platform.

A new breed of companies is buying the song catalogues of classic artists. Alan Cross explains how this could have a detrimental effect on the new music of the future.

Jaydyn Carr sat on 10 GameStop shares for over a year. Then Reddit made their value explode.

Here's a breakdown of what's behind the rise of GameStop and other stocks and what's at stake.

Shares in the video game store chain and headphone maker Koss Corp both doubled in early deals after slumping on Thursday.

GameStop, BlackBerry, and AMC shares tumbled Thursday as online brokerages Robinhood Markets and Interactive Brokers restricted trading in several social-media driven stocks.

Profit is only part of the story for many Reddit users behind the unnatural surge in GameStop stock.