The old adage “never judge a book by its cover” has been applied to a wide variety of situations over the years, from encouraging open mindedness in social situations to shopping for a car to, well, judging books by their covers. And it turns out this piece of advice can be quite valuable for investors as well, especially those who have embraced ETFs as tools for building long-term portfolios or establishing short-term tactical tilts. For investors who wish to take a longer look under the hood of a product, the transparency offered by ETFs allows them to do just that; most products publish a complete list of holdings on a nightly basis, allowing for a complete review of components that isn’t possible with mutual funds and various other types of securities. In most cases, the holdings of an ETF are fairly predictable; most investors could guess the primary components of [...] Click here to read the original article on ETFdb.com. Related Posts: Battle For ETF Market Share: Who’s Gaining Ground, Who’s Falling Behind Mining ETFs: Eight Ways To Play Global X Launches Silver, Copper Miner ETFs (SIL, COPX) Direxion Files For Non-Leveraged ETFs This Week In ETFs: March 19 Edition