Here are three stocks with buy rank and strong income characteristics for investors to consider today, April 7th:CalMaine Foods (CALM) : This company which is primarily engaged in the production, grading, packing and sale of fresh shell eggs, including conventional, cage-free, organic and nutritionally-enhanced eggs, has witnessed the Zacks Consensus Estimate for its current year earnings increasing 46.2% over the last 60 days.This Zacks Rank #1 (Strong Buy) company has a dividend yield of 6.5%, compared wi ...