Micro Cap Countries United States DWMC AdvisorShares Dorsey Wright Micro Cap ETF 4 2 2 0.001 FDM First Trust Dow Jones Select MicroCap Index Fund 4 2 2 0.001 IWC iShares Micro-Cap ETF 4 2 2 0.001 PZI Invesco Zacks Micro Cap ETF 4 2 2 0.001 WMCR Invesco Wilshire Micro-Cap ETF 4 2 2 0.001