Here are three stocks with buy rank and strong value characteristics for investors to consider today, June 4:Navios Maritime Partners L.P. (NMM) : This dry bulk shipping company carries a Zacks Rank #1, and has witnessed the Zacks Consensus Estimate for its current year earnings increasing 5.3% over the last 60 days.Navios Maritime Partners L.P. has a price-to-earnings ratio (P/E) of 3.25 compared with 8.70 for the industry. The company possesses a Value Score of A.Costamare Inc. (CMRE) : This shipping comp ...