The government summoned the founder of China's property developer Evergrande after the company issued a statement saying it might not have sufficient funds to meet its financial obligations. Currently, Evergrande is drowning in a sea of debt worth $300 billion, and the firm's woes have fanned concerns about the whole property sector, which makes up a substantial part of the world's No. 2 economy. Shortly after this statement, Bitcoin plunged as much as 1.68% to $55,45