Real Time Control Systems Plc, the EPOS software developer based in Watford, UK is making the most of the country’s current retail sales boom, and interest from high street stores is at an all time high. Net profits for the six months to September 30 were up 31% at 1.0m pounds on revenue that rose 13.7% to 7.2m pounds. Shares rose 4 pence to 340 pence . In common with prior years, there is no interim dividend. From its strong UK base, RTC has also begun to put some marketing weight behind its European campaign and has implemented a major 600 store roll out in Germany.