Is the Vanguard S&P 500 ETF a Buy Now?

With $818 billion in assets, the Vanguard S&P 500 ETF (NYSEMKT: VOO) is the largest exchange-traded fund there is. Its combination of broad U.S. equity market coverage, a razor-thin expense ratio, and strong historical performance has helped make it a cornerstone of many investment portfolios.Whether now is a good time to invest in the fund, however, is a subjective question. You could look at corporate earnings, stock valuations, or simply what's in favor at the moment to help guide your decision-making. It's an imperfect science, but examining the current state of the market and the economy can also help mitigate your risk of buying at a top.With the S&P 500 trading near its all-time high, let's take a look at a few factors to consider in assessing whether this is a good time to invest in the Vanguard S&P 500 ETF.Continue readingWeiter zum vollständigen Artikel bei MotleyFool Weiter zum vollständigen Artikel bei MotleyFool