Have you been paying attention to shares of Minerals Technologies (MTX) ? Shares have been on the move with the stock up 15.7% over the past month. The stock hit a new 52-week high of $85.28 in the previous session. Minerals Technologies has gained 19.5% since the start of the year compared to the 0.6% move for the Zacks Basic Materials sector and the -19.9% return for the Zacks Chemical - Specialty industry.What's Driving the Outperformance?The stock has an impressive record of positive earnings surprises, ...