Copper mini contracts on the Shanghai Futures Exchange rose modestly to 72,150 CNY/ton, signaling selective speculative buying. Chartists highlight the 72,300 resistance as critical for bullish confirmation. Browse an unrivalled portfolio of real-time and historical market data and insights from worldwide sources and experts. (Yicai) May 22 -- The Shanghai Futures Exchange will speed up the introduction of new futures products, including cast aluminum alloy, liquefied natural gas, offset printing paper, and corrugated base paper, to better meet evolving industrial demands, according to the chairman of the major derivatives market. Shanghai Futures Exchange crude oil futures tracked Brent prices lower, settling at 560.50 CNY/barrel. Weak refinery margins are tempering buying interest, yet geopolitical risks could provide price support.