Duolingo, Inc. (DUOL) is looking like an interesting pick from a technical perspective, as the company reached a key level of support. Recently, DUOL crossed above the 200-day moving average, suggesting a long-term bullish trend.The 200-day simple moving average is a useful tool for traders and analysts, establishing market trends for stocks, commodities, indexes, and other financial instruments over the long term. The marker moves higher or lower along with longer-term price moves, and serves as a support ...