Here are four stocks with buy ranks and strong growth characteristics for investors to consider today, September 13th:Gildan Activewear Inc. GIL: This manufacturer and seller of various apparel products carries a Zacks Rank #1 (Strong Buy), has witnessed the Zacks Consensus Estimate for its current year earnings increasing 15.9% over the last 60 days. Gildan Activewear, Inc. Price and Consensus Gildan Activewear, Inc. price-consensus-chart | Gildan Activewear, Inc. Quote Gildan Activewear has a PEG ratio of 0.64 compared with 1.02 for the industry. The company possesses a Growth Score of A. Gildan Activewear, Inc. PEG Ratio (TTM) Gildan Activewear, Inc. peg-ratio-ttm | Gildan Activewear, Inc. Quote ON Semiconductor Corporation ON: This manufacturer and seller of semiconductor components for various electronic devices carries a Zacks Rank #1, has witnessed the Zacks Consensus Estimate for its current year earnings increasing 29.7% over the last 60 days. ON Semiconductor Corporation Price and Consensus ON Semiconductor Corporation price-consensus-chart | ON Semiconductor Corporation Quote ON Semiconductor has a PEG ratio of 0.35, compared with 3.22 for the industry. The company possesses a Growth Score of B. ON Semiconductor Corporation PEG Ratio (TTM) ON Semiconductor Corporation peg-ratio-ttm | ON Semiconductor Corporation Quote CarMax, Inc. KMX: This retailer of used vehicles carries a Zacks Rank #1, has witnessed the Zacks Consensus Estimate for its current year earnings increasing 11.3% over the last 60 days. CarMax, Inc. Price and Consensus CarMax, Inc. price-consensus-chart | CarMax, Inc. Quote CarMax has a PEG ratio of 1.04, compared with 1.37 for the industry. The company possesses a Growth Score of B. CarMax, Inc. PEG Ratio (TTM) CarMax, Inc. peg-ratio-ttm | CarMax, Inc. Quote AutoNation, Inc. AN: This automotive retailer carries a Zacks Rank #1, has witnessed the Zacks Consensus Estimate for its current year earnings increasing 43.8% over the last 60 days. AutoNation, Inc. Price and Consensus AutoNation, Inc. price-consensus-chart | AutoNation, Inc. Quote AutoNation has a PEG ratio of 0.35, compared with 0.55 for the industry. The company possesses a Growth Score of A. AutoNation, Inc. PEG Ratio (TTM) AutoNation, Inc. peg-ratio-ttm | AutoNation, Inc. Quote See the full list of top ranked stocks here.Learn more about the Growth score and how it is calculated here. Tech IPOs With Massive Profit Potential: Last years top IPOs surged as much as 299% within the first two months. With record amounts of cash flooding into IPOs and a record-setting stock market, this year could be even more lucrative. See Zacks’ Hottest Tech IPOs Now >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report AutoNation, Inc. (AN): Free Stock Analysis Report CarMax, Inc. (KMX): Free Stock Analysis Report Gildan Activewear, Inc. (GIL): Free Stock Analysis Report ON Semiconductor Corporation (ON): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research