To be a trader it is must for everyone get knowledge about the fundamental and technical analyses as yea i am agree with you that for becoming the expert trader in the Forex trading we must have some Knowledge and skill and analysis and strategy so No it cant if it occurred in the previous no profit wont come any investorif you choose to buy or sell they provide you the liquidity for the trade till That is very important to get some knowledge about Forex because where you trade you must be know about the company and the market conditions this is very hard but for Forex is not a very hard task