Bitcoin To $4,800? One Analyst Thinks So

A Goldman Sachs tech analyst predicts Bitcoin prices will rise to $4,800 by year end. That is an amazing number, but is it realistic? Need Bitcoin/investing experts to weigh in on the pricing prospects on Bitcoin. Where do you think it will end up, cost-wise, by the end of 2017, and why? What are the big impactors affecting price, good or bad? All comments welcome. Requirements: Bitcoin experts, investing experts, Bitcoin investors, money managers, analysts