Data Processing and Visualisation..

A web-based programme or a desktop application capable of performing the following tasks is required: 1- Retrieving live data from Google Finance and saving them into a database (past data should also be saved and updated). Further, it should be possible to extract a set of data within a particular time frame. 2- Ability to visualise price of a stock within a given time frame and having a basic set of annotation/drawing facilities on the chart. 3- Ability to search the database based on various criteria (time, data price and etc); for example: -Finding the lowest/highest changes for a particular stock (or a set of stocks) within a given time frame. - Finding the stocks with the highest/lowest changes within a given time frame. - Evaluating volume averages of stocks and detecting those deviated from the average. - More details will be provided.