Here are three stocks with buy rank and strong momentum characteristics for investors to consider today, June 17th:Reinsurance Group of America, Incorporated (RGA) : This reinsurance company has a Zacks Rank #1 and witnessed the Zacks Consensus Estimate for its current year earnings increasing 6.4% over the last 60 days.Reinsurance Group’s shares gained 9.7% over the last three months compared with the S&P 500’s advance of 5.9%. The company possesses a Momentum Score of A.American Superconductor Corporation ...