Some of the stocks that may grab investor focus today are:

• Global Payments Inc. (GPN) 
  Wall Street expects GPN to report quarterly earnings at $2.04 per share on revenue of $1.96 billion before the opening bell. Global Payments shares gained 0.4% to $137.55 in after-hours trading.
   
• The Mosaic Company (MOS) 
  Analysts expect MOS to post quarterly earnings at $2.41 per share on revenue of $4.08 billion after the closing bell. Mosaic shares dropped 4.4% to close at $62.42 on Friday.
   
• Middlesex Water Company (MSEX) 
  Middlesex Water Company said its Q1 consolidated operating revenues increased $3.7 million to $36.2 million from the year-ago period. Diluted EPS came in at $0.68 per share, up from $0.39 per share in the year-ago period. Middlesex Water shares gained 0.8% to $89.70 in the after-hours trading session.
   
• Moody's Corporation (MCO)
  Before the opening bell, Moody's Corporation is projected to report quarterly earnings at $2.90 per share on revenue of $1.51 billion. Moody's shares gained 2.1% to $323.00 in pre-market trading.
   

• The Williams Companies, Inc. (WMB)
  Analysts are expecting The Williams Companies, Inc. to have earned $0.35 per share on revenue of $2.93 billion for the latest quarter. The company will release earnings after the markets close. Williams Companies shares gained 1.7% to $34.87 in pre-market trading.