Shares of China Evergrande were halted on Hong Kong’s stock exchange on Monday pending a deal, as doubts swirled over whether the struggling property giant would be able to meet its immense financial obligations. Evergrande said in a filing that its shares were halted ahead of an announcement about a “major transaction.” It gave no additional details. The real estate developer — once China’s most prolific — has been under close watch by foreign investors and local regulators after it missed two important interest payments on U.S. dollar bonds. The…