Among thousands of ETFs to choose from, this Vanguard ETF can be a cornerstone of your portfolio.Investing can be as simple or complex as you make it. And oftentimes in investing, the simple plan is best. One surefire way to simplify your investing journey is to use exchange-traded funds (ETFs). These are groups of individual stocks that trade under one ticker symbol. An ETF can follow a specific investment strategy or track a stock market index.Vanguard is a trusted name in the investment community. The co ...