"Gold extended losses on Thursday to fall as much as $200 from Tuesday’s record high, as investors cashed in scorching gains in the metal after the CME Group hiked trading margins for the precious metal for a second time this month."
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Gold falls $200 from Tuesday’s record high - Yahoo! Finance
Ask yourself what happens when an entire class of investors uses borrowed money to buy an asset with a negative yield and then suddenly find themselves wanting to liquidate at the same time?
