Have you been paying attention to shares of Cabot (CBT) ? Shares have been on the move with the stock up 8.8% over the past month. The stock hit a new 52-week high of $108.39 in the previous session. Cabot has gained 28.7% since the start of the year compared to the -3.7% move for the Zacks Basic Materials sector and the -2.3% return for the Zacks Chemical - Diversified industry.What's Driving the Outperformance?The stock has an impressive record of positive earnings surprises, as it hasn't missed our earni ...