Los Angeles - Still reeling from securities fraud charges leveled at the company and its former CEO, comedy purveyor National Lampoon announced on Wednesday that it is voluntarily delisting its shares from the NYSE Alternext.

Chicago - Video game publisher Midway Games (NYSE: MWY) said on Friday that last week it received notice from the New York Stock Exchange (NYSE) that its shares are in danger of being delisted from the exchange, for failing to maintain a minimum average closing price of $1 for 30 consecutive days.

Richmond, Va. - Circuit City Stores (NYSE: CC), the troubled consumer electronics retailer, said that it has received a warning from the New York Stock Exchange (NYSE) that its stock has fallen out of compliance with market rules.

Silver Spring, Md. - Worldspace, the provider of satellite radio services to foreign markets that earlier this month filed for Chapter 11 bankruptcy protection, said that its stock will be delisted from the Nasdaq at the opening of Thursday's trading.

New York - Video game publisher Atari (NASD: ATAR), which last week agreed to merge with its major shareholder, France-based Infogrames, announced on Friday that the Nasdaq has delisted its shares, effective today.

San Francisco - ZVUE (NASD: ZVUE), a maker of portable media players and operator of an online entertainment network that includes eBaumsWorld.com and Putfile.com, said on Wednesday that it has received notice from the Nasdaq that its shares are in danger of being delisted from the exchange.

Cedar Knolls, N.J. - MediaBay, a distributor of spoken word audio content, announced on Friday that it has filed to deregister its stock and end its reporting obligations with the Securities and Exchange Commission (SEC). The company said it was eligible to do so under SEC rules because it has fewer than 300 shareholders of record. MediaBay expects the deregistration to become effective in 90 days.