iStock; Andres Martinez Casares/Getty Images; Alyssa Powell/BISure, Wall Street. Go ahead. Ride the dragon.There was a moment of grace on Tuesday for investors, market analysts, and finance's top brass when Beijing announced measures to try to reinvigorate China's croaking economy. Pan Gongsheng, a governor of the People's Bank of China, the country's central bank, announced that 800 billion yuan, or about $114 billion, would be injected into the stock market.