NEW YORK--(BUSINESS WIRE)--Monday’s trading day featured massive market movements and periods of intense market activity and volume, especially at the market open and market close. Lightspeed is pleased to announce that Lightspeed Trader, its flagship trading system, remained active and fast throughout the trading day. Lightspeed and its parent company Professional Trading Solutions (PTS) have invested heavily in its system infrastructure in order to handle rapid and volatile markets with heavy