Why billionaire investor Thomas Kaplan isn't stressing about gold and silver's historic sell-off

Metals guru Thomas Kaplan says there's "every reason in the world to buy gold."

LUDOVIC MARIN/POOL/AFP via Getty Images

• Billionaire Thomas Kaplan shrugged off the slump in gold and silver prices as short-term volatility.
• Kaplan said his long-term price target for gold is in the "tens of thousands of dollars."
• Kaplan said that gold will keep rising because it's a "currency that can't be debased at will."

Billionaire investor Thomas Kaplan says he's unfazed...