Shares of Integer (ITGR) have been strong performers lately, with the stock up 4.6% over the past month. The stock hit a new 52-week high of $120 in the previous session. Integer has gained 19.8% since the start of the year compared to the 0.2% move for the Zacks Medical sector and the 3.9% return for the Zacks Medical - Instruments industry.What's Driving the Outperformance?The stock has an impressive record of positive earnings surprises, as it hasn't missed our earnings consensus estimate in any of the ...