Here are four stocks with buy rank and strong value characteristics for investors to consider today, July 21st:GasLog Partners LP GLOP: This company that owns, operates, and acquires liquefied natural gas carriers has a Zacks Rank #1 (Strong Buy), and seen the Zacks Consensus Estimate for its current year earnings rising 12.4% over the last 60 days. GasLog Partners LP Price and Consensus GasLog Partners LP price-consensus-chart | GasLog Partners LP Quote GasLog Partners has a price-to-earnings ratio (P/E) of 3.22, compared with 4.40 for the industry. The company possesses a Value Score of A. GasLog Partners LP PE Ratio (TTM) GasLog Partners LP pe-ratio-ttm | GasLog Partners LP Quote Safe Bulkers, Inc. SB: This international provider of marine drybulk transportation services has a Zacks Rank #1, and seen the Zacks Consensus Estimate for its current year earnings rising 3.2% over the last 60 days. Safe Bulkers, Inc Price and Consensus Safe Bulkers, Inc price-consensus-chart | Safe Bulkers, Inc Quote Safe Bulkers has a price-to-earnings ratio (P/E) of 3.26, compared with 4.40 for the industry. The company possesses a Value Score of A. Safe Bulkers, Inc PE Ratio (TTM) Safe Bulkers, Inc pe-ratio-ttm | Safe Bulkers, Inc Quote Dow Inc. DOW: This material science company has a Zacks Rank #1, and seen the Zacks Consensus Estimate for its current year earnings rising 27.2% over the last 60 days. Dow Inc. Price and Consensus Dow Inc. price-consensus-chart | Dow Inc. Quote Dow has a price-to-earnings ratio (P/E) of 7.69, compared with 13.10 for the industry. The company possesses a Value Score of A. Dow Inc. PE Ratio (TTM) Dow Inc. pe-ratio-ttm | Dow Inc. Quote Vale S.A. VALE: This mining company has a Zacks Rank #1, and seen the Zacks Consensus Estimate for its current year earnings rising 13.6% over the last 60 days. Vale S.A. Price and Consensus Vale S.A. price-consensus-chart | Vale S.A. Quote Vale has a price-to-earnings ratio (P/E) of 3.55, compared with 6.20 for the industry. The company possesses a Value Score of B. Vale S.A. PE Ratio (TTM) Vale S.A. pe-ratio-ttm | Vale S.A. Quote See the full list of top ranked stocks here.Learn more about the Value score and how it is calculated here. Breakout Biotech Stocks with Triple-Digit Profit Potential The biotech sector is projected to surge beyond $775 billion by 2024 as scientists develop treatments for thousands of diseases. They’re also finding ways to edit the human genome to literally erase our vulnerability to these diseases. Zacks has just released Century of Biology: 7 Biotech Stocks to Buy Right Now to help investors profit from 7 stocks poised for outperformance. Our recent biotech recommendations have produced gains of +50%, +83% and +164% in as little as 2 months. The stocks in this report could perform even better.See these 7 breakthrough stocks now>>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report VALE S.A. (VALE): Free Stock Analysis Report Dow Inc. (DOW): Free Stock Analysis Report Safe Bulkers, Inc (SB): Free Stock Analysis Report GasLog Partners LP (GLOP): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research