https://www.reuters.com/article/us-retail-trading/gamestop-shares-rise-after-robinhood-lifts-trading-curbs-idUSKBN2A51QV >Shares of GameStop and other companies caught in the recent social media-hyped trading frenzy rose on Friday, after online broker Robinhood lifted all the buying curbs imposed at the height of the battle between amateur investors and Wall Street hedge funds.