Instinet Corp, the equities trading system subsidiary of Reuters Holdings Plc, has bought Bomar Securities LP for $8m cash: New York-based Bomar has a database of over 3,000 stocks with price histories going back eight years, and markets a workstation that enables users to monitor real time stock price data and analyse historical data; Instinet will market Bomar’s products as Instinet Analytics, a new service alongside its existing networks.