Peak gold: Only 20 years' worth of metal left?

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A new report from Goldman Sachs suggests there are only two decades of "mineable" gold left.

Wake the gold bugs. The scenario they've warned us about is finally at hand.

The intention of the Goldman report from last week is to point out areas of scarcity, arguing that this is an ultimate driver of value and where you should invest.

"Understanding what can stay scarce, and identifying who benefits from that is as important as finding those who enable abundance," the report says.