Back in September, we introduced the Cabot ETF Investing System, designed to help you make sense of the best way to invest in exchange-traded funds without losing all your allocated money. If you missed that introduction, here’s another look-see at what we’re talking about: Exchange-traded funds, or ETFs, can be one of the more attractive investment vehicles on the market today. Traded on the market like stocks, but with the relative safety afforded by mutual funds, investing in an ETF can be an attractive option for the conservative investor. Before you buy an ETF, as with any investment vehicle,...