Here are three stocks with buy ranks and strong growth characteristics for investors to consider today, September 6th:CarGurus, Inc. (CARG) : This online automotive marketplace carries a Zacks Rank #1, and has witnessed the Zacks Consensus Estimate for its current year earnings increasing 11.7% over the last 60 days.CarGurus has a PEG ratio of 0.99 compared with 1.05 for the industry. The company possesses a Growth Score  of A.AudioEye, Inc. (AEYE) : This company which provides internet content softwares an ...