Using day trading stock technical analysis, stock charts and stock market statistical analysis, Grafbourse, a free online stock market software, enables to track the main stocks of New York (including many Chinese, Indian and Brazilian ADR), as well as those of Paris, Germany, Milan and Madrid. Free stock screening statistics for stock day trading is made on the main stocks every day, to construct a grid of technical stock market data indicators: quotes, historical prices, price target, volume, RSI,... Technical analysis focuses on stock chart interpretation related to moving average and relative strength index (RSI). Day trading help for the online stock day trader is so provided, enabling stock picking, using the grid of indicators.