This illustration photo shows a person checking the GameStop stock on a smartphone on February 17, 2021 in Los Angeles as the Reddit, Citadel, Robinhood and Melvin Capital logos are seen on the background ahead of the virtual hearing involving GameStop stocks. - The House Committee on Financial Services will hold a hearing, titled "Game Stopped? Who Wins and Loses When Short Sellers, Social Media, and Retail Investors Collide" on February 18, 2021. CEOs Reddit, Robinhood, Citadel and Melvin Capital are expected to testify.