Shares of Cardinal Health (CAH) have been strong performers lately, with the stock up 4.3% over the past month. The stock hit a new 52-week high of $111.4 in the previous session. Cardinal Health has gained 8.3% since the start of the year compared to the 2.7% move for the Zacks Medical sector and the 1.9% return for the Zacks Medical - Dental Supplies industry. What's Driving the Outperformance? The stock has an impressive record of positive earnings surprises, as it hasn't missed our earnings consensus es ...