However, the biggest diversified commodity fund is the Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF (PDBC). On this week's "ETF Edge," Tom Lydon, CEO of ETF Trends, Mark Yusko of Morgan Creek Capital Management, and Steve Grasso of Stuart Frankel weigh inflation risks with CNBC's Leslie Picker. So, a spike in inflation could get people to sell off the high growth stocks, let alone the threat of higher capital gains taxes, only pushing the problem further.