Baystreet Staff - Tuesday, August 30, 2016 Matrix Service (MTRX) Skids Ahead of Earnings Matrix Service Co (NASDAQ: MTRX) shares docked 0.7% to $16.21. The company is projected to post its quarterly earnings at $0.30 per share on revenue of $338.44 million. Share volume totaled 98,000, compared to an all-day average of 179,000