Here are three stocks with buy rank and strong income characteristics for investors to consider today, May 6th: Smurfit Kappa Group Plc (SMFKY) : This manufacturer of containerboard, corrugated containers, and other paper-based packaging products has witnessed the Zacks Consensus Estimate for its current year earnings increasing 4.8% over the last 60 days. This Zacks Rank #1 company has a dividend yield of 3.9%, compared with the industry average of 1.4%. Levi Strauss & Co. (LEVI) : This seller of apparels ...