May be there is a lot of risk in holding bitcoins at the moment but it is sure to stand in the coming time. Keep holding and make the right choice, don't take the chance of investing more if you can't deal with immediate loss. It's a long run game.
If we are going to make a decision a part on our Bitcoin transaction we could not possible evade the risk in the system of bitcoin. The truth is risk is always be all type of our investments, business and trading. But these risk specially on holding Bitcoin could give us a chance to gain profit so it totaly worth the try and the effort for us to always try.