Wall Street analysts expect Quanta Services (PWR) to post quarterly earnings of $1.93 per share in its upcoming report, which indicates a year-over-year increase of 17%. Revenues are expected to be $5.51 billion, up 9.2% from the year-ago quarter.The consensus EPS estimate for the quarter has been revised 0.6% higher over the last 30 days to the current level. This reflects how the analysts covering the stock have collectively reevaluated their initial estimates during this timeframe.Prior to a company's ea ...