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

Solid corporate earnings, Fed rate cuts, and optimism about the AI sector could fuel another leg higher for the S&P 500.With $818 billion in assets, the Vanguard S&P 500 ETF (VOO +0.01%) 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 ...