This REIT should perform much better in the next five years than it has in the past five years.Over the past five years, Realty Income (O 0.24%) has seen its shares struggle, down over 13% during that stretch. However, after dividends, the stock's total returns would be in positive territory. Nonetheless, the stock's performance still has to be considered disappointing given the approximately 80% gain in the S&P 500 index over the same period.Investors no doubt remain attracted to Realty Income for the mont ...