Guests pose for a group photo at the launching ceremony of the trading of China's yuan-dominated crude oil futures contracts in east China's Shanghai, March 26, 2018. China launched trading of crude oil futures contracts at the Shanghai International Energy Exchange on Monday in its steady move of opening up the financial sector. It was the first futures contracts listed on China's mainland to overseas investors, putting domestic and foreign investors on an equal footing. (Xinhua/Fang Zhe)