K12 (LRN) reached a significant support level, and could be a good pick for investors from a technical perspective. Recently, LRN broke through the 20-day moving average, which suggests a short-term bullish trend. The 20-day simple moving average is a popular trading tool. It provides a look back at a stock's price over a 20- day period, and is beneficial to short-term traders since it smooths out price fluctuations and provides more trend reversal signals than longer-term moving averages. Similar to other ...