We always need regulations whether or not from the government. Things will be out of control when no regulations are implemented by the community.
Indeed it is god to make everything regulated and well disciplined so that it will give you profit all the time. Fix the time for investment and invest then, now in several countries bitcoin is suppose to use as regular currency and people are able to buy everything using bitcoin without any fear, if bitcoin will be regular it will be more famous and save for the investors and they will find bitcoin the open currency to use and highly profitable to invest and save.