There are many tutorials and videos available on youtube for beginners which will teach you the basics of bitcoin trading and after watching multiple videos it will surely add value to your knowledge related to trading and you can start with a small amount and start gaining a practical experience.
In fact, bitcointalk.org I think is enough for you to know everything about in bitcoin, trading, and others because it is very informative. And youtube is also helpful as stated above mentioned.
Just as It been said youtube.com alone is not the only medium to learn reading this forum can also help including google, if possible find trading exchanges that allows demo trading with that you will start practicing how to trade after making successive profits you go in to live trading.