A strong stock as of late has been ResMed (RMD) . Shares have been marching higher, with the stock up 4.5% over the past month. The stock hit a new 52-week high of $268.65 in the previous session. ResMed has gained 16.9% since the start of the year compared to the -5.2% move for the Zacks Medical sector and the 4.6% return for the Zacks Medical - Products industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, having beaten the Zacks Consensus Estimate in each ...