After reaching an important support level, K12 (LRN) could be a good stock pick from a technical perspective. LRN surpassed resistance at the 50-day moving average, suggesting a short-term bullish trend.The 50-day simple moving average, which is one of three major moving averages, is widely used by traders and analysts to establish support and resistance levels for a range of securities. Because it's the first sign of an up or down trend, the 50-day is considered to be more important.LRN could be on the ver ...