This ETF is one of several options for achieving exposure to the retail industry, a corner of consumer discretionary market that is capable of delivering big returns but that also comes with some unique risk factors. Given this investment objective, RTH is probably more useful for those looking to achieve tactical exposure to this specific corner of the market; the appeal to buy-and-holders will be limited since most of the underlying holdings are included in more broad-based funds. A couple aspects of RTH are noteworthy. First and foremost, RTH is now structured as a true ETF, it used to be one of the HOLDRS products offered by Merrill Lynch. However, some of the concentration that was characteristic of those products remains in RTH; the underlying portfolio is relatively shallow and concentration in the top allocations is significant. Further, RTH includes only U.S. stocks, meaning that some of the biggest players located in booming emerging markets are absent from the underlying portfolio. RTH is a decent option for retail exposure, but there are probably some better ETFs out there for tapping into this segment of the market. XRT offers better depth of holdings, while PMR utilizes an array of investment criteria to select its holdings.