Will Nio become a trillion dollar company?

Could you elaborate on the potential for Nio to reach the trillion-dollar market valuation milestone? What key factors would contribute to such growth, and what challenges might the company face along the way? How does Nio's current market position, financial performance, and competitive landscape compare to other companies that have achieved trillion-dollar valuations? Additionally, what strategies and innovations could Nio implement to accelerate its growth and increase its chances of becoming a trillion-dollar company?