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One important metric to look for in a stock is an 80 or higher Relative Strength Rating. IPG Photonics (IPGP) now clears that threshold, with a jump from 76 to 82 Wednesday. This unique rating tracks technical performance by using a 1 (worst) to 99 (best) score that identifies how a stock's price performance over the last 52 weeks matches up against the rest of the market. History reveals that the top-performing stocks typically have an 80 or better RS Rating in the early stages of their moves. IPG Photonics is trading within a buy zone after moving past an 85.29 entry in a flat base. The proper buying range is up to 5% above the initial entry. Once a stock hits that benchmark, it's best to wait for it to set up another buying opportunity. The company saw both earnings and sales growth rise last quarter. Earnings-per-share increased from -42% to 9%. Revenue rose from -3% to 8%. IPG Photonics holds the No. 7 rank among its peers in the Electronics-Scientific Measuring industry group. Camtek (CAMT), Keysight Technologies (KEYS) and Cognex (CGNX) are among the top 5 highly rated stocks within the group. This article was created automatically with Stats Perform's Wordsmith software using data and article templates supplied by Investor's Business Daily. An IBD journalist may have edited the article.