In every business risk involves same as here. Patience and attention is the only key to success in this platform. Hold it and wait for the price to rise, it is expected that the bitcoin price will kept on increasing till the end of this year. So better to wait instead of selling it at low price with loss.
Sure, bitcoin is still a very potent and powerful money, its value will continue to increase, do not worry when you buy it at a high price, and soon after it has fallen, it's just a Adjusted, it will continue to increase in the future.