Billionaire investor Jeffrey Gundlach is watching gold rip to record highs — just as Nvidia Corp (NASDAQ:NVDA) keeps minting AI wealth. That contrast says less about fear and more about how investors are quietly hedging the biggest tech boom in market history.Track NVDA stock here.As Nvidia continues to dominate the AI narrative, spot gold surged past $4,500 an ounce for the first time ever — pushing the metal's total market value to roughly $31.5 trillion. That makes gold nearly seven times larger than Nvi ...