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Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk (volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model. NEW YORK ( TheStreet) -- Proto Labs (NYSE: PRLB) hit a new 52-week high Friday as it is currently trading at $55.52, above its previous 52-week high of $55.23 with 222,399 shares traded as of 10:01 a.m. ET. Average volume has been 582,200 shares over the past 30 days. Proto has a market cap of $1.28 billion and is part of the industrial goods sector and industrial industry. Shares are up 33% year to date as of the close of trading on Thursday. Proto Labs, Inc. produces CNC machined and injection molded plastic parts. The company has a P/E ratio of 45.7, above the S&P 500 P/E ratio of 17.7.