Englewood, Colo. - Liberty Media (NASD: LINTA) announced on Wednesday that it plans to split off its Liberty Entertainment group, which includes the company's stakes in DirecTV, Starz, FUN Technologies, GSN, WildBlue Communications and Liberty Sports, into a separate public company.

West Hollywood, Calif. - As part of media conglomerate IAC's (NASD: IACI) plan to split into five publicly-traded cmopanies, Ticketmaster (NASD: TKTM) announced on Thursday that it has begun independent trading on the Nasdaq under the ticker symbol TKTM.

Santa Monica, Calif. - Activision Blizzard (NASD: ATVI), the company recently created through the merger of video game publisher Activision with Vivendi's games division, announced on Friday that it will effect a two-for-one stock split.

Santa Clara, Calif. - Macrovision, a provider of copy-protection and game distribution technologies, said on Tuesday that it has repurchased the remaining $50 million worth of shares under its existing $100 million buyback program, launched in August 2006. Macrovision also said that its board has authorized the company to purchase up to an additional $60 million worth of shares.

San Francisco - HandHeld Entertainment, a maker of personal media players and operator of digital media content sites, said on Monday that it will repurchase up to 1 million of its outstanding shares under a new buyback program. All told, the San Francisco-based company hopes to repurchase about 6% of its shares over the next six months.

New York - Shares of Palm Inc. fell as much as 4.8 percent on Monday, as the tightening credit market fueled investor concerns about its previously announced plan to take on new debt as part of a private equity financing agreement, Reuters reported.

New York - Warner Music Group saw shares fall as much as 7.7 percent in early trading on Monday as a Wall Street analyst lowered for the company's quarterly results, Reuters reported.  Warner, the world's fourth largest music company, has seen its shares fall more than 50 percent since the start of the year as further evidence of a wider downturn in the fortunes of the recorded music industry has come to light.

San Jose, Calif. - Adobe Systems, a developer of Web publishing and business software, said on Monday that its board has authorized the company to buy back another 20 million shares under a new stock repurchase program.

Hong Kong - Hong Kong-based digital media firm TOM Group announced on Monday that it will pay about $200 million to take its TOM Online mobile content distribution arm private.

Shanghai, China - Shanda Interactive Entertainment, a provider of multiplayer, casual and PC games and other media content in China, announced on Thursday that it has sold part of its stake in Chinese Web portal SINA to Citigroup for about $129.6 million.

Mountain View, Calif. - In what has become a quarterly ritual, Google on Wednesday again surpassed analyst expectations by posting a fourth quarter profit that nearly tripled its figure from a year ago.

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.