Hecla Mining (HL) reached a significant support level, and could be a good pick for investors from a technical perspective. Recently, HL 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 signals than longer ...