On Monday, March 2, 2020, Robinhood suffered a systemwide, all-day outage during the largest daily point gain in the Dow Jones' history, preventing users from performing most actions on the platform, including opening and closing positions.[66] During this outage the S&P 500 climbed more than 4.6 percent.[67] Robinhood users postulated that the outage was the result of a coding error regarding leap year handling for Saturday, February 29, 2020.