Have you been paying attention to shares of Ensign Group (ENSG) ? Shares have been on the move with the stock up 7.6% over the past month. The stock hit a new 52-week high of $150.81 in the previous session. Ensign Group has gained 33.8% since the start of the year compared to the 11.9% move for the Zacks Medical sector and the 30.2% return for the Zacks Medical - Nursing Homes industry.What's Driving the Outperformance?The stock has an impressive record of positive earnings surprises, as it hasn't missed o ...