A method of creating a price prediction model that forecasts short-term price fluctuations in financial instruments by collecting, analyzing and classifying financial news for a financial instrument into categories. Some of the driven members are driven by the first driving source and others are driven by the second driving source. Distributed interaction between components of the scalable groups may enable extensibility and reliability, while changes in locations of organization services are provided to the client for seamless continuation of the client’s access to the services. Consequently, the apparatus can improve the black-level display and thus can display a higher-contrast image as compared to the related art. A second pair of flip-flops is configured to store samples of the divided feedback clock signal on consecutive edges of an inversion of the reference clock signal.