In this articleEQPTBHFLASRKTOSDUOLStock Chart IconStock chart iconDuolingo's year-to-date stock performance. Duolingo: "There's too many ways to be able to translate things now. I don't need to learn any language."Stock Chart IconStock chart iconnLIGHT's year-to-date stock performance. nLIGHT: "LASR is a speculative buy here."Jim Cramer's Guide to InvestingClick here to read Jim Cramer's Guide to Investing at no cost to help you build long-term wealth and invest smarterSign up now for the CNBC Investing Club to follow Jim Cramer's every move in the market.DisclaimerQuestions for Cramer? Call Cramer: 1-800-743-CNBCWant to take a deep dive into Cramer's world? Hit him up! Mad Money Twitter - Jim Cramer Twitter - Facebook - InstagramQuestions, comments, suggestions for the "Mad Money" website? madcap@cnbc.comChoose CNBC as your preferred source on Google and never miss a moment from the most trusted name in business news.