Have you been paying attention to shares of Tactile Systems Technology (TCMD) ? Shares have been on the move with the stock up 31% over the past month. The stock hit a new 52-week high of $19.55 in the previous session. Tactile Systems Technology has gained 32.3% since the start of the year compared to the 1% move for the Zacks Medical sector and the 5.3% return for the Zacks Medical - Instruments industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, as it h ...