Have you been paying attention to shares of Boston Scientific (BSX) ? Shares have been on the move with the stock up 4.8% over the past month. The stock hit a new 52-week high of $87.79 in the previous session. Boston Scientific has gained 51.4% since the start of the year compared to the 8.6% move for the Zacks Medical sector and the 14.5% return for the Zacks Medical - Products industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, as it hasn't missed our e ...