Here are three stocks with buy rank and strong momentum characteristics for investors to consider today, August 22:Nova Ltd. (NVMI) : This semiconductor process control company has a Zacks Rank #1 and witnessed the Zacks Consensus Estimate for its current year earnings increasing 7.8% over the last 60 days.Nova's shares gained 9.2% over the last three months compared with the S&P 500’s advanced of 6.7%. The company possesses a Momentum Score of A.Robinhood Markets, Inc. (HOOD) : This financial services plat ...