Here are three stocks with buy rank and strong momentum characteristics for investors to consider today, August 15th:Latham Group, Inc. (SWIM) : This maker of residential swimming pools has a Zacks Rank #1 and witnessed the Zacks Consensus Estimate for its current year earnings increasing 150% over the last 60 days.Latham’s shares gained 44.1% over the last three months compared with the S&P 500’s advance of 2.9%. The company possesses a Momentum Score  of B.Nomura Research Institute, Ltd. (NRILY) : This co ...