Casey's General Stores (CASY) reached a significant support level, and could be a good pick for investors from a technical perspective. Recently, CASY broke through the 20-day moving average, which suggests a short- term bullish trend. The 20-day simple moving average is a well-liked trading tool because it provides a look back at a stock's price over a 20-day period. Additionally, short-term traders find this SMA very beneficial, as it smooths out short- term price trends and shows more trend reversal sign ...