Here are four stocks with buy ranks and strong growth characteristics for investors to consider today, September 22nd: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 17.1% 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 0.60 compared with 0.94 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 CRA International, Inc. CRAI: This consulting company carries a Zacks Rank #1, has witnessed the Zacks Consensus Estimate for its current year earnings increasing 18.1% over the last 60 days. Charles River Associates Price and Consensus Charles River Associates price-consensus-chart | Charles River Associates Quote CRA International has a PEG ratio of 1.18, compared with 2.29 for the industry. The company possesses a Growth Score of A. Charles River Associates PEG Ratio (TTM) Charles River Associates peg-ratio-ttm | Charles River Associates Quote Cushman & Wakefield plc CWK: This provider of commercial real estate services carries a Zacks Rank #1, has witnessed the Zacks Consensus Estimate for its current year earnings increasing 12.4% over the last 60 days. Cushman & Wakefield PLC Price and Consensus Cushman & Wakefield PLC price-consensus-chart | Cushman & Wakefield PLC Quote Cushman & Wakefield has a PEG ratio of 1.20, compared with 2.03 for the industry. The company possesses a Growth Score of A. Cushman & Wakefield PLC PEG Ratio (TTM) Cushman & Wakefield PLC peg-ratio-ttm | Cushman & Wakefield PLC Quote MaxLinear, Inc. MXL: This provider of radiofrequency, high-performance analog, and mixed-signal communications systems-on-chip solutions carries a Zacks Rank #1, has witnessed the Zacks Consensus Estimate for its current year earnings increasing 13.9% over the last 60 days. MaxLinear, Inc Price and Consensus MaxLinear, Inc price-consensus-chart | MaxLinear, Inc Quote MaxLinear has a PEG ratio of 1.03, compared with 3.22 for the industry. The company possesses a Growth Score of A. MaxLinear, Inc PEG Ratio (TTM) MaxLinear, Inc peg-ratio-ttm | MaxLinear, Inc Quote See the full list of top ranked stocks here.Learn more about the Growth score and how it is calculated here. Infrastructure Stock Boom to Sweep America A massive push to rebuild the crumbling U.S. infrastructure will soon be underway. It’s bipartisan, urgent, and inevitable. Trillions will be spent. Fortunes will be made. The only question is “Will you get into the right stocks early when their growth potential is greatest?” Zacks has released a Special Report to help you do just that, and today it’s free. Discover 7 special companies that look to gain the most from construction and repair to roads, bridges, and buildings, plus cargo hauling and energy transformation on an almost unimaginable scale.Download FREE: How to Profit from Trillions on Spending for Infrastructure >>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 Charles River Associates (CRAI): Free Stock Analysis Report Gildan Activewear, Inc. (GIL): Free Stock Analysis Report MaxLinear, Inc (MXL): Free Stock Analysis Report Cushman & Wakefield PLC (CWK): Free Stock Analysis Report To read this article on Zacks.com click here.