Hinterhaus Productions/DigitalVision via Getty Images Investment Thesis Last year, Duolingo's (NASDAQ:DUOL) stock outperformed the market and had a decent run. However, it has recently had a slight decline, falling 42% from its peak of $251.   Stock performance (Seeking Alpha) Not-so-good news has been hitting the market lately. The unexpected increase in U.S. unemployment, the Bank of Japan's sudden boost in interest rates, and even Warren Buffett's sale of some Apple shares have all caused investors t ...