There are several things to consider before you invest in the stock market or Forex.
Your Personal Situation: Your age, the state of your health, the number of dependents you support, the kind of job you have, whether you are a man or a woman, what kind of goals you have set for yourself all these, and more, are factors which will bear on your decision whether or not to invest.
There is no rule, no prescription governing these factors, either singly or in combination. Again, the decision is yours. It is well to wonder, however, whether your personal situation contains any elements which might conflict with your freedom, need, or desire to invest.
There is, for instance, no age more appropriate than another for investment. But it is conceivable that a young man might find family obligations, such as a new house, absorbing all his resources, that a middle-aged man might prefer to invest surplus funds in his business, and that an elderly man might feel he is too far along for the amount he is able to invest to bring him any significant return.
On the other hand, a young man, if he is able to invest at all regularly, can look forward to a fairly considerable estate in 30 or 40 years. A middle-aged man who finds the premiums for a new insurance policy higher than he feels like paying might decide that investments might help cushion the requirements of the years past 60. And an elderly man, with family responsibilities and obligations behind him, might decide that a sturdy stock returning a comfortable 5 or 6 per cent is better than the interest rate he can get at a savings bank.
As these, examples indicate, age