Here are three stocks with buy rank and strong income characteristics for investors to consider today, August 15th:NexPoint Real Estate Finance, Inc. (NREF) : This real estate finance company has witnessed the Zacks Consensus Estimate for its current year earnings increasing 7.8% over the last 60 days.This Zacks Rank #1 company has a dividend yield of 13.9%, compared with the industry average of 12%.Monarch Casino & Resort, Inc. (MCRI) : This casino operator has a Zacks Rank #1 and witnessed the Zacks Conse ...