Gold-backed exchange-traded funds are experiencing unprecedented demand, highlighted by the SPDR Gold Shares ETF recording its second-highest trading volume ever on Thursday, Oct. 9th.The fund saw an astonishing $12.5 billion in volume, a level not witnessed since 2013, indicating a massive surge in investor interest in the yellow metal.Check out GLD’s ETF details here.GLD Outpaces Mag 7’s Trading VolumeThis single ETF’s trading activity even outstripped the daily volume of most of the vaunted “Magnificent ...