North Korea is at it again.
The antagonistic country claimed on its state run news station Sunday that it has tested a hydrogen bomb. It marks North Korea's sixth nuclear test ever.
North Korea is days removed from firing a missile over northeastern Japan.
The country's actions have put the spotlight on owning gold -- the yellow metal has popped about 5% since early August to $1,324 an ounce.
Randgold shares are up 33% since the start of the year.
Cramer said gold is the true reserve currency in situations like this where global uncertainty is heating up.
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