For investors seeking momentum, Sprott Junior Gold Miners ETF (SGDJ) is probably on the radar. The fund just hit a 52-week high and has moved up 82.40% from its 52-week low price of $29.44 per share.But are there more gains in store for this ETF? Let us take a quick look at the fund and the near-term outlook on it to get a better idea of where it might be headed.SGDJ in FocusThe underlying Solactive Junior Gold Miners Custom Factors Index aims to track the performance of small-capitalization gold companies ...