Can financial turmoil in China play havoc with the rest of the world? It has already happened.

On the first trading day of 2016, China’s central bank sent shockwaves around the world by sharply lowering the value of the yuan. The decline in the currency itself, which came after the bursting of a stock market bubble, was not the biggest concern. Rather it was a sudden loss of confidence in China’s growth story that reverberated around the world.

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