ETF Trends editor Tom Lydon appeared on CNBC Wednesday to discuss some small-cap exchange traded funds that can thrive in the current market environment. Lydon highlighted the WisdomTree SmallCap Earnings Fund (NYSEArca: EES) and the ETFS Zacks Earnings Small-Cap U.S. Index Fund (NYSEArca: ZSML) as two examples of small-cap ETFs poised to do well as the U.S. dollar continues its ascent.