Here are two stocks with buy rank and strong momentum characteristics for investors to consider today, August 21:

Clean Energy Fuels Corp. (CLNE Quick QuoteCLNE - Free Report) : This natural gas fueling company has a Zacks Rank #1 and witnessed the Zacks Consensus Estimate for its current year earnings increasing 33.3% over the last 60 days.

Clean Energy Fuels Corp. Price and Consensus

Clean Energy Fuels Corp. price-consensus-chart | Clean Energy Fuels Corp. Quote

Clean Energy Fuels Corp's shares gained 19.8% over the last three months compared with the S&P 500’s advanced of 5.5%. The company possesses a Momentum Score of B.

Clean Energy Fuels Corp. Price

Clean Energy Fuels Corp. price | Clean Energy Fuels Corp. Quote

StepStone Group Inc. (STEP Quick QuoteSTEP - Free Report) : This private equity and venture capital company has a Zacks Rank #1 and witnessed the Zacks Consensus Estimate for its current year earnings increasing 4.1% over the last 60 days.          

StepStone Group Inc. Price and Consensus

StepStone Group Inc. price-consensus-chart | StepStone Group Inc. Quote

StepStone's shares gained 41.1% over the last three months compared with the S&P 500’s advanced of 5.5%. The company possesses a Momentum Score of B.

StepStone Group Inc. Price

StepStone Group Inc. price | StepStone Group Inc. Quote

See the full list of top ranked stocks here

Learn more about the Momentum score and how it is calculated here.