. . . . "QUOTE Sept. 25 (Bloomberg) -- Japan, China and other holders of U.S. government debt must quickly reach an agreement to prevent panic sales leading to a global financial collapse, said Yu Yongding, a former adviser to the Chinese central bank. ``We are in the same boat, we must cooperate,'' Yu said in an interview in Beijing on Sept. 23. ``If there is no selling in a panicked way, then China willin" .