Shares of Cencora (COR) have been strong performers lately, with the stock up 4.7% over the past month. The stock hit a new 52-week high of $246.75 in the previous session. Cencora has gained 19.7% since the start of the year compared to the 5.9% move for the Zacks Medical sector and the 5.6% return for the Zacks Medical Services 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 las ...