Have you been paying attention to shares of Boston Scientific (BSX) ? Shares have been on the move with the stock up 5.2% over the past month. The stock hit a new 52-week high of $84.89 in the previous session. Boston Scientific has gained 44.8% since the start of the year compared to the 11.6% move for the Zacks Medical sector and the 15.8% return for the Zacks Medical - Products industry.What's Driving the Outperformance?The stock has an impressive record of positive earnings surprises, as it hasn't misse ...