Later this week, several companies that sell advertising will begin releasing their earnings reports for the latest quarter. It will generally cover the July-September period, though some companies have fiscal quarters that depart from that.

Here's the schedule for selected Internet and media companies in advertising. Dates for many companies are not yet known.

— Oct. 15: Gannett Co.

— Oct. 18: Google Inc., Microsoft Corp.

— Oct. 22: Yahoo Inc.

— Oct. 25: The New York Times Co.

— Oct. 26: Comcast Corp., The Interpublic Group of Cos.

— Nov. 2: The Washington Post Co.

— Nov. 7: Time Warner Inc., CBS Corp.

— Nov. 8: The Walt Disney Co.

— Nov. 15: Viacom Inc.