Any investment that money is involved some form of risk, risk level might be high, average or low, it depends on the project and team behind it, but like the op have truly said, it is only wise to pay a very good attention to what ever project one have invested money on, because anything or wrong decisions can be made anytime which in some way might cause the project's token to go down, in a situation like this, you want to get out of that market as soon as possible to cut down on your loss.