Leo Melamed (R), chairman emeritus of Chicago Mercantile Exchange (CME) Group, talks with Yang Yanqing, deputy editor-in-chief of the China Business News, at a luncheon of "A Conversation with Leo Melamed: Opening the Futures Market" during the Boao Forum for Asia (BFA) Annual Conference 2015 in Boao, south China's Hainan Province, March 26, 2015. (Xinhua/Guo Cheng)