Could S&P 500 ETFs Alone Fund Your Entire Retirement?

Most investors have heard that investing in the S&P 500 (SNPINDEX: ^GSPC) is one of the best ways to create long-term wealth. It's probably the default option in their workplace retirement plan. Even a lot of self-directed investors will put their money in the Vanguard S&P 500 ETF (NYSEMKT: VOO) or the iShares Core S&P 500 ETF (NYSEMKT: IVV) and call it a day. There's a reason, after all, that these are the two largest ETFs in the world, with more than $1.6 trillion in assets combined.The S&P 500 is many people's only investment. That can create some problems because it leaves a whole slew of asset classes unrepresented. Including them can enhance growth opportunities, mitigate downside risk, or create a regular income stream. Without any of that to complement it, the high tech concentration or the growth tilt of the index could mean too much volatility.Image source: Getty Images.Continue readingWeiter zum vollständigen Artikel bei MotleyFool Weiter zum vollständigen Artikel bei MotleyFool