For investors seeking momentum, First Trust NASDAQ Transportation ETF (FTXR) is probably on the radar now. The fund just hit a 52-week high and is up 54.6% from its 52-week low price of $25.47 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.FTXR in FocusIt offers exposure to U.S. companies within the transportation industry. The fund charges 60 basis points (bps) in annual fees (See: all In ...