Expense ratios, dividend yields, and sector mix set these two Vanguard ETFs apart for investors seeking the right market balance.The Vanguard S&P 500 Growth ETF (VOOG 0.07%) focuses on growth stocks and has outperformed over the past year, while the Vanguard S&P 500 ETF (VOO +0.01%) charges less, yields more, and provides broader U.S. market exposure.Both VOOG and VOO aim to track large-cap U.S. stocks, but their approaches differ. VOOG isolates the growth segment of the S&P 500 Index (^GSPC 0.03%), while V ...