*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. In this July 18, 2010, file photo, a TD Ameritrade logo is displayed on the office in Omaha, Neb. (AP Photo/Nati Harnik, File) ...
NEW YORK (Reuters) - The jarring "flash crash" on May 6 yielded a record trading day at TD Ameritrade Holding Corp , although some customers were upset with the market breakdown that day, the U.S.