Shares in Evergrande tumbled as much as 19 percent on Monday in Hong Kong, after the Chinese property developer warned it might not have enough funds to repay its debt, prompting authorities to summon its chairman. A grace period expires on Monday for a coupon repayment worth over $82 million, pushing the company to the verge of default once again. Evergrande has already made three 11th-hour repayments in the past two months.
