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.

Richmond, Va. - One month after revealing an unsolicited $1 billion takeover bid from Blockbuster (NYSE: BBI), consumer electronics retailer Circuit City (NYSE: CC) said on Friday that it will open its books to the video rental giant in preparation for a potential acquisition.

Toronto - Viigo, a provider of mobile content applications for smartphones, said on Friday that it has received a $1.5 million follow-on investment to its first round of financing, from RBC Venture Partners.

San Mateo, Calif. - dotMobi, a provider of Internet addresses for mobile phones, said on Friday that it has acquired the technology assets of Mowser, a developer of mobile Web browsing technology.

Los Angeles - Live Universe, the company started by MySpace founder Brad Greenspan, has acquired MeeVee, a provider of TV and online video listings, for an undisclosed sum, TechCrunch reports.

Seattle - RealNetworks (NASD: RNWK) announced on Thursday that it will spin off its casual games business, and distribute shares in the newly created company to its shareholders.

London - U.S. consumer electronics and media retail chain Best Buy (NYSE: BBY) announced on Thursday that it paid $2.1 billion to acquire 50% of the Carphone Warehouse, a mobile phone retailer that counts over 2,400 stores in nine European countries.

Dubai - KIT digital (formerly ROO Group), a provider of video distribution and interactive marketing services, announced on Thursday that it has raised $15 million through a private placement of equity.

New York - Giant Realm, an online entertainment portal whose sites target males 18-34 and attract 4.2 million unique monthly visitors, announced on Thursday that it has received a $2 million investment from SoftBank Capital.

San Jose, Calif. - PlayPhone, a mobile entertainment content distributor, announced on Wednesday that it has merged with U.K.-based Pitch Entertainment Group.

Los Angeles - Spot Runner, a Web-based advertising service that helps local businesses create ads and place them on TV and radio, announced on Wednesday that it has raised $51 million in new financing.

San Francisco - FORA.tv, a video site that specializes in political and cultural content, has raised $4 million in its first round of funding, from Adobe Ventures, William Randolph Hearst III and others, Beet.TV reported.

Herzliya, Israel - Jinni, a developer of personalized content search and discovery technology, has raised a $1 million first round of financing from Start-Up Factory, Globes Online reported.

Mountain View, Calif. - Kontiki, the developer of a managed peer delivery platform for video and digital content, said on Tuesday that it has completed its split from parent VeriSign.

Hollywood, Calif. - Buzznet, a music-focused social media community, on Tuesday announced that it has acquired yet another music site, this time purchasing alternative music Web zine Absolute Punk for an undisclosed sum. The deal follows Hollywood-based Buzznet's recent acquisitions of music blogs Stereogum and Idolator, and a $25 million round of financing earlier this year from investors that included Universal Music Group.

London - ROK Entertainment Group, a provider of mobile TV delivery technology, announced on Tuesday that it has acquired Jalipo Ltd, a U.K. provider of IPTV services, through the issuance of 600,000 ROK shares in a transaction valued at about $16.8 million.