Here are three stocks with buy rank and strong momentum characteristics for investors to consider today, July 26th:HealthStream, Inc. (HSTM) : This company that provides Software-as-a-Service based applications for healthcare organizations has a Zacks Rank #1 and witnessed the Zacks Consensus Estimate for its current year earnings increasing 5.6% over the last 60 days.HealthStream’s shares gained 10.8% over the last three months compared with the S&P 500’s advance of 5.6%. The company possesses a Momentum S ...