Here are four stocks with buy ranks and strong growth characteristics for investors to consider today, June 1st:Perdoceo Education Corporation (PRDO): This operator of colleges, institutions and universities, which carries a Zacks Rank #1 (Strong Buy), has witnessed the Zacks Consensus Estimate for its current year earnings increasing 4.1% over the last 60 days.Career Education Corporation Price and Consensus Career Education Corporation price-consensus-chart | Career Education Corporation QuotePerdoceo Education has a PEG ratio of 0.72 compared with 3.15 for the industry. The company possesses a Growth Score of A.Career Education Corporation PEG Ratio (TTM) Career Education Corporation peg-ratio-ttm | Career Education Corporation QuoteAcacia Communications, Inc. (ACIA): This developer of high-speed coherent optical interconnect products, which carries a Zacks Rank #1, has witnessed the Zacks Consensus Estimate for its current year earnings increasing 18.7% over the last 60 days.Acacia Communications, Inc. Price and Consensus Acacia Communications, Inc. price-consensus-chart | Acacia Communications, Inc. QuoteAcacia Communications has a PEG ratio of 0.93, compared with 1.73 for the industry. The company possesses a Growth Score of B.Acacia Communications, Inc. PEG Ratio (TTM) Acacia Communications, Inc. peg-ratio-ttm | Acacia Communications, Inc. QuotePTC Inc. (PTC): This software and services company, which carries a Zacks Rank #2 (Buy), has witnessed the Zacks Consensus Estimate for its current year earnings increasing 0.9% over the last 60 days.PTC Inc. Price and Consensus PTC Inc. price-consensus-chart | PTC Inc. QuotePTC has a PEG ratio of 1.02, compared with 2.80 for the industry. The company possesses a Growth Score of B.PTC Inc. PEG Ratio (TTM) PTC Inc. peg-ratio-ttm | PTC Inc. QuoteUniversal Technical Institute, Inc. (UTI): This provider of postsecondary education, which carries a Zacks Rank #2, has witnessed the Zacks Consensus Estimate for its current year earnings increasing more than 100% over the last 60 days.Universal Technical Institute Inc Price and Consensus Universal Technical Institute Inc price-consensus-chart | Universal Technical Institute Inc QuoteUniversal Technical Institute has a PEG ratio of 1.41, compared with 3.15 for the industry. The company possesses a Growth Score of A.Universal Technical Institute Inc PEG Ratio (TTM) Universal Technical Institute Inc peg-ratio-ttm | Universal Technical Institute Inc QuoteSee the full list of top ranked stocks here.Learn more about the Growth score and how it is calculated here.Zacks’ Single Best Pick to Double From thousands of stocks, 5 Zacks experts each picked their favorite to gain +100% or more in months to come. From those 5, Zacks Director of Research, Sheraz Mian hand-picks one to have the most explosive upside of all.This young company’s gigantic growth was hidden by low-volume trading, then cut short by the coronavirus. But its digital products stand out in a region where the internet economy has tripled since 2015 and looks to triple again by 2025.Its stock price is already starting to resume its upward arc. The sky’s the limit! And the earlier you get in, the greater your potential gain.Click Here, See It Free >>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 Universal Technical Institute Inc (UTI): Free Stock Analysis Report PTC Inc. (PTC): Free Stock Analysis Report Career Education Corporation (PRDO): Free Stock Analysis Report Acacia Communications, Inc. (ACIA): Free Stock Analysis Report To read this article on Zacks.com click here.