Have you been paying attention to shares of MasTec (MTZ) ? Shares have been on the move with the stock up 6.3% over the past month. The stock hit a new 52-week high of $139.39 in the previous session. MasTec has gained 80.3% since the start of the year compared to the 23.6% move for the Zacks Construction sector and the 95.1% return for the Zacks Building Products - Heavy Construction industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, as it hasn't missed ...