SmartBroker Pro identifies stock opportunities, by defining market trends, and announcing which stocks are about to fall, and which are about to rise BEFORE they move. SmartBroker can track and report on over 30,000 stocks, which is currently more than is reported. Particular strengths in Day-Trading selections. You will need end-of-day quotes from a quote provider service. Many services provide these quote files for free including EODData.