NEW YORK, April 4 (UPI) -- Ticketmaster Entertainment Inc. says U.S. and state officials are investigating its business relationships with concert ticket resellers.

LOS ANGELES, Feb. 10 (UPI) -- Two U.S. entertainment giants, Ticketmaster and Live Nation, announced an agreement to join forces Tuesday in an all-stock merger worth $2.5 billion.

BEVERLY HILLS, Calif., Aug. 23 (UPI) -- Negotiations between Ticketmaster and U.S. concert promoter Live Nation have broken down, opening the door for Live Nation to go into the ticketing business.

WEST HOLLYWOOD, Calif., Feb. 8 (UPI) -- Ticketmaster, the West Hollywood, Calif., event ticket seller, teamed with iTunes to offer free downloads with concert tickets bought on Ticketmaster.com.

BARCELONA, Spain, July 24 (UPI) -- Ticketmaster, the world's biggest ticketing group, is buying Tick Tack Ticket, a Spanish company.

VANCOUVER, May 22 (UPI) -- Canada's Sona Development Corp. is buying Sibling Entertainment Group Inc., a New York entertainment development and production company.

NEW YORK, Sept. 8 (UPI) -- News Corp. will pay $650 million to buy IGN Entertainment Inc., a U.S. Internet game company that also had been pursued by Viacom Inc.

TOKYO, Aug. 5 (UPI) -- Apple Computer Inc. launched the Japanese version of its online music download service, iTunes Music Store, offering about 1 million songs.

WASHINGTON, June 8 (UPI) -- The Securities and Exchange Commission Tuesday temporarily halted trading in 26 small firms because they have not made certain regulatory filings.

WASHINGTON, July 19 (UPI) -- The Securities and Exchange Commission is conducting an apparently broad investigation of accounting practices in the video game industry. Two California companies, Activision Inc. of Santa Monica and THQ Inc. of Calabasas Hills, and New York company Accl