Shares of MasTec (MTZ) have been strong performers lately, with the stock up 21.2% over the past month. The stock hit a new 52-week high of $150.12 in the previous session. MasTec has gained 95.4% since the start of the year compared to the 29.7% move for the Zacks Construction sector and the 108.3% 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 our earnings consensus est ...