2 Magnificent S&P 500 Dividend Stocks Flat and Down 10% to Buy and Hold Forever

These two stocks offer strong long-term investment potential.It's been quite a year for the S&P 500. The index has gained 21% since January.While the strong gain gets a lot of attention, not every stock has performed well. PepsiCo (PEP 1.05%) has been flat and Alexandria Real Estate Equities' (ARE 2.17%) shares have dropped 10%. While that may give some investors pause, the declines give long-term investors, particularly dividend-seeking ones, a buying opportunity.These three have strong businesses, and inv ...