We performed a screening of Small-Cap ETFs, defined as having Assets Under Management (AUM) between $400 million and $2 billion - to determine what funds had the largest positive and negative returns on the week, according to data from etfdb.com. Only non-leveraged funds were considered. Winners ETFMG Prime Junior Silver Miners Fund (NYSEARCA: SILJ) SILJ is up 11.23% over the trailing week. The ETFMG Prime Junior Silver Miners Fund is one of the first products providing direct exposure to the si