i don't think that all capital invest for forex market blindly. Money management is very important for forex trade because there have 50 % chances to make profit and loss so you can't depend only forex trade , it is insecure for us. and If I am an expert investor I will always invest 50% of my total capital in forex. But at the begining stage never ever I will invest lot amount in forex. As an expert I can easily find out the trend of market but as a beginner it wil be hard for me to get the actual trend which ultimately fall me to loss.