BEIJING - Aluminum Corp of China (Chinalco) is discussing possible adjustments to its investment deal with Rio Tinto in line with changes to market conditions, Xiong Weiping, its president, told Caijing magazine.

Xiong denied reports that Chinalco would cut its target stake in Rio to 15 percent from 18 percent, dismissing this as a market rumor, Caijing reported on its website (www.caijing.com.cn).

(Reporting by Simon Rabinovitch; editing by John Stonestreet)