Factbox: China commodity exchanges act to contain coronavirus-driven volatility

BEIJING (Reuters) - China's commodity exchanges have rolled out measures, from raising margin requirements and trading limits to halting trade completely, to try to maintain market stability as the coronavirus panic grips the globe. Below is a list of some of the actions taken, affecting trade in anything from eggs to gold in the world's biggest commodities consumer. CRUDE OIL/RUBBER* The Shanghai International Energy Exchange (INE), responding to a collapse in global oil prices, raised the..