Here are three stocks with buy rank and strong value characteristics for investors to consider today, July 21st:  PagSeguro Digital (PAGS) : This company which provides financial technology solutions and services for micro-merchants and small and medium-sized businesses primarily in Brazil and internationally, carries a Zacks Rank #1 (Strong Buy), and has witnessed the Zacks Consensus Estimate for its current year earnings increasing 1.6% over the last 60 days. ...