Although it's still off its all-time highs, the dividend makes it a no-brainer stock to buy.

Top dividend stocks aren't always market beaters; the benefits of dividends are in their passive income. It's a little bit of a dance, with dividend yield usually working conversely with the potential gains for the stock. The higher the yield, the less likely you're looking at high-growth potential.

Realty Income ( O -1.21% ) is one of the best dividend stocks you can buy, with a high yield and an incredible track record. Even though it's still under pressure from a sour real estate market, it's beating the market this year -- even without its famous dividend. Let's see why.

Oversold and undervalued

Realty Income is a real estate dividend trust (REIT), a classification of stocks that

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