Here are three stocks with buy rank and strong income characteristics for investors to consider today, August 21:The First of Long Island Corporation (FLIC) : This holding company for The First National Bank of Long Island has witnessed the Zacks Consensus Estimate for its current year earnings increasing 8.8% the last 60 days.This Zacks Rank #1 company has a dividend yield of 6.8%, compared with the industry average of 2.8%.StepStone Group Inc. (STEP) : This private equity and venture capital company has w ...