Here are three stocks with buy rank and strong momentum characteristics for investors to consider today, February 29: Ultrapar Participações S.A. (UGP) : This energy and infrastructure company has a Zacks Rank #1 and witnessed the Zacks Consensus Estimate for its current year earnings increasing 31.8% over the last 60 days. Ultrapar Participações' shares gained 21.8% over the last three months compared with the S&P 500’s advance of 10.2%. The company possesses a Momentum Score of A. Employers Holdings, Inc. ...