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If you are scared of losing any money. Then do not put any money on an investment that you are not comfortable with. Do not base your decision with other people's opinion and research. If you do that, you'll most likely end up being broke and in vain 
Remember, do your own research. Know how to know. And as it has been a million times that has been phrased, do not invest what you cannot afford to lose.
money then investment isnt for you and this is really just that typical or normal for someone who do really dive in and taking risk just because they do love to see profits
or adding up more income for them.Best time or right time about investment doesnt talk literally on where is the bottom or when but the time that you do make yourself
prepared and next priority is on minding on when to get in and utilizing it as low as possible.