Wall Street analysts expect Norfolk Southern (NSC) to post quarterly earnings of $3.18 per share in its upcoming report, which indicates a year-over-year decline of 2.2%. Revenues are expected to be $3.09 billion, up 1.3% from the year-ago quarter.Over the last 30 days, there has been a downward revision of 2.5% in the consensus EPS estimate for the quarter, leading to its current level. This signifies the covering analysts' collective reconsideration of their initial forecasts over the course of this timef ...