Shanghai Futures Exchange copper climbed 1.9 percent to 53,210 yuan ($8,084) a tonne on Thursday after earlier climbing as far as 53,350 yuan. That was near last month's 4-1/2-year high above 53,750 yuan. Shanghai nickel climbed 3 percent. "Nickel has continued to push higher since the Chinese market reopened after the Golden Week holidays," said ANZ in a report. "With nickel pig iron furnaces being targeted for shutdown over the upcoming winter, demand for refined nickel from the international market looks strong."