CNBC’s Courtney Reagan spoke with Will Rhind, Founder and CEO of GraniteShares, and Dave Nadig, Financial Futurist at VettaFi. They did a deep dive into single-stock ETFs one year after launching in the U.S. - exploring the promise and pitfalls of single-stock bets on and against big names like Tesla and Nvidia. Plus, gold has yet to regain its luster despite high hope from gold bugs earlier in the year. Our panel debated what's going on with gold, bitcoin and the broader commodity space amid China's deflationary environment.