Charter Communications

(CHTR) - Get Report

won't pay a dividend on its preferred stock for the first quarter, saying it's unsure if there's adequate surplus available under Delaware law. In a federal filing, the company said it couldn't quantify the impact of the development on its future fund-raising capability. The stock was down a penny, or 0.6%, to $1.59 after the close.

Barr Laboratories

(BRL)

announced that a New York Federal court has ruled in its favor in an antitrust class-action lawsuit involving the antibiotic Cipro. The court rejected plaintiffs' claims that a 1997 settlement with

Bayer

(BAY)

violated antitrust and consumer protection laws by delaying the release of a generic version of Cipro. Barr Labs was up 13 cents, or 0.27%, to $48.96 in after-hours trading.

Blockbuster

(BBI) - Get Report

announced plans to cut 300 jobs at its corporate headquarters to help offset higher marketing costs for its online rental service. The stock was down 3 cents, or 0.3%, to $8.80 in after hours trading.

Arch Chemicals

(ARJ)

received a 20-year contract by the Defense Department worth $149 million for the production, storage, distribution and handling of hydrazine propellants for the U.S. government. The stock was unchanged at $28.47.

Corillian Corp

(CORI) - Get Report

said it signed a definitive agreement to acquire

InteliData Technologies

(INTD)

. Both firms are involved in online banking and bill payment services. The acquisition establishes Corillian as one of the leading bill payment warehouse providers in the world. Corillian was down 3 cents, or 0.8%, to $3.45, while InterData was unchanged at 29 cents.

Homeland security solutions provider

Global ePoint

(GEPT)

announced that GE Capital Aviation Service has ordered the Airworks Cockpit Door Surveillance System to be installed on eight AirBus A320 Aircraft. The stock was up 26 cents, or 9.3%, to $3.05, in the aftermarket.