Here are three stocks with buy ranks and strong growth characteristics for investors to consider today, June 21: Royal Caribbean Cruises Ltd. (RCL) : This cruise company carries a Zacks Rank #1, and has witnessed the Zacks Consensus Estimate for its current year earnings increasing 11% over the last 60 days. Royal Caribbean Cruises has a PEG ratio of 0.46 compared with 1.49 for the industry. The company possesses a Growth Score of B. Adtalem Global Education Inc. (ATGE) : This workforce solutions provider c ...