Have you been paying attention to shares of Avino Silver (ASM) ? Shares have been on the move with the stock up 24.5% over the past month. The stock hit a new 52-week high of $5.64 in the previous session. Avino Silver has gained 528.8% since the start of the year compared to the 25.7% gain for the Zacks Basic Materials sector and the 120.3% return for the Zacks Mining - Silver industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, having beaten the Zacks Con ...