Study Materials for New Investors In addition to this, the Penny app also includes study materials to help you understand the basics of the stock market. From guidebooks for beginners to advanced trading strategies, the app has it all to teach you how to invest effectively. This study support helps you gain confidence and become a more knowledgeable investor as you progress. Portfol... https://play.google.com/store/apps/details?id=tw.com.weather.interdaytrade&gl=us&hl=en_US