For investors seeking momentum, First Trust Indxx Global Agriculture ETF (FTAG) is probably on the radar now. The fund just hit a 52-week high and is up 30.1% from its 52-week low price of $21.53 per share.  But are there more gains in store for this ETF? Let’s take a quick look at the fund and its near-term outlook to get a better sense of where it might head.FTAG in FocusIt offers exposure to companies that are directly or indirectly engaged in improving agricultural yields. The fund charges 70 basis poin ...