As China’s industrial juggernaut has flooded foreign ports with cheap factory-made goods in recent years, its central bank coffers have filled with the bounty flowing back to these shores — a stash of foreign exchange now exceeding $800 billion. China’s leaders have steadily invested the bulk in one primary vehicle: the U.S. dollar.
But on Monday came the latest recent sign that China has grown worried about tying its savings so closely to the dollar, a currency that many economists think is due for a fall.