Here are three stocks with buy ranks and strong growth characteristics for investors to consider today, January 12th:EnerSys (ENS) : This stored energy solutions company carries a Zacks Rank #1, and has witnessed the Zacks Consensus Estimate for its current year earnings increasing 8.3% over the last 60 days.EnerSys has a PEG ratio of 0.86 compared with 1.61 for the industry. The company possesses a Growth Score  of B. Arcos Dorados Holdings Inc. (ARCO) : This franchisee of McDonald’s restaurants carries a ...