Japan end-Nov aluminium stocks down 6 pct -Marubeni

 TOKYO, Dec 13 (Reuters) - Aluminium stocks at key ports in Japan totalled 221,500 tonnes at the end of November, down 6 percent from the month before, trading house Marubeni Corp said on Tuesday. End-October inventories totaled 235,800 tonnes. Marubeni collects data for the key ports of Yokohama, Nagoya and Osaka.