HONG KONG: Troubled Chinese property developer giant Evergrande and all its units suspended trading in Hong Kong on Monday morning, according to a notice to the stock exchange. China’s property firms have struggled in the wake of Beijing’s drive to curb excessive debt in the real estate sector, as well as rampant consumer speculation. Among those embroiled in the crisis is Evergrande, one of the country’s largest developers, which has been involved in restructuring negotiations after racking up $300 billion in liabilities. On Monday the company announced that trading will be “halted” without g…