Investing in the Vanguard S&P 500 ETF (VOO)? Beware of This 1 Sneaky Risk.
· finance.yahoo.com
The top 10 components recently made up a whopping 38% of the fund's value -- and the top three made up about 20%.
If you're investing in the Vanguard S&P 500 ETF (NYSEMKT: VOO) -- or the SPDR S&P 500 ETF (NYSEMKT: SPY) -- that's great. You're now a partial owner of 500 of A...