Last time it was the Hunt brothers who could be easily manipulated, this time it's the Shanghai Stock Exchange, you try to manipulate it?

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CME raises margin requirements for gold and silver futuresThe Chicago Mercantile Exchange issued a notice on February 5 local time to adjust margins for some futures contracts including gold, silver and aluminum. The document shows that the new margin requirement for gold has been raised to 9%, and the margin requirement for silver has been raised to 18%. The new standards will take effect after the close of trading on February 6 local time.