We are working to address the issue as quickly as possible,” the company said in a statement. In the meantime, clients can access their accounts through thinkorswim Web, the thinkorswim mobile app and via all other TD Ameritrade platforms. “We are currently experiencing a system issue impacting clients’ ability to connect to the thinkorswim desktop platform. SPX hit a new all-time intraday high on Tuesday. NEW YORK (Reuters) - Online retail brokerage TD Ameritrade Holding Corp AMTD.O said some of its thinkorswim desktop trading platform customers were unable to log on for a second-straight day, as the S&P 500. FILE PHOTO: A TD Ameritrade sign is seen outside a branch in Schaumburg, Illinois, U.S., October 24, 2016.
