Among the companies whose shares are expected to see active trade in Monday's session are Pfizer Inc., Circuit City Stores Inc., Time Warner Inc. and U.K. airport operator BAA.

U.K. airport operator BAA Plc (BAA) will acquire the fast-growing Budapest Ferihegy International Airport from the Hungarian government for 1.26 billion pounds ($2.2 billion), its biggest investment outside the U.K., the company said Sunday.

AngioDynamics Inc. (ANGO) is expected to report fiscal second-quarter earnings of 12 cents a share, according to analysts polled by Thomson First Call.

Circuit City Stores Inc. (CC) is seen posting a third-quarter profit of 4 cents a share.

After Friday's closing bell, a federal judge ruled for Pfizer Inc. (PFE) in its patent dispute with Ranbaxy Laboratories Ltd. (RBXLF) over Lipitor, the world's top-selling prescription medication.

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Andersons Inc. (ANDE) said it expects 2005 earnings per share to exceed its earlier forecast. The company had previously forecast earnings in a range of $2.20 to $2.50 a share. The Maumee, Ohio-based diversified industrial company said its earnings outlook for 2005 has increased primarily because of strong fourth-quarter performances in its grain, plant nutrient and rail businesses.

Harrah's Entertainment Inc. (HET) said it plans to open Harrah's New Orleans Casino on Feb. 17. The casino was closed before Hurricane Katrina made landfall in New Orleans on Aug. 29. The company said work on a $150 million expansion project continues and is expected to open September 2006.

Time Warner Inc. (TWX) has entered into exclusive talks to sell a 5% stake in its AOL unit to Google Inc. (GOOG) for $1 billion, expanding the partnership between the two firms, according to The Wall Street Journal's online edition.

United Airlines (UALAQ) said it received an extension of the court-granted exclusivity period for its turnaround plan that helps the carrier keep control of its restructuring as it works to get out of bankruptcy early next year.