Realty Income continues to expand its portfolio (and dividend).Realty Income (O 2.13%) is a model of consistency. The real estate investment trust (REIT) has grown its earnings in 27 of the last 28 years. Meanwhile, the REIT has increased its monthly dividend for 30 straight years (including the last 107 consecutive quarters). That steady growth has continued this year, and the REIT seems highly likely to keep growing in the future. That consistent growth (and its high-dividend yield of more than 5%) makes ...