Editor's Note: This content was originally published on Benzinga.com by The ETF Professor Benzinga Staff Writer. Some small-cap ETFs particularly emerging markets funds have shown noticeable signs of weakness in recent days. That is not the case for all small-cap ETFs and an arguably surprising candidate is showing signs of leadership. The Market Vectors Russia Small-Cap ETF (NYSEARCA:RSXJ) the worst performer among the the four major BRIC small-cap funds last year has shown signs of life in 2013. Accounting for Thursday's gain of almost 1.3 percent RSXJ is now up nearly three percent year-to-date a performance that easily tops ...