The Digest Shutdown: Magic Mountain’s newest thrill ride will be shut down indefinitely as ride engineers work on a design flaw on one of the 28 coach seats that twist, spin and flip riders while moving at 76 mph. The ride, which features 360-degree turns and 200-foot drops, was shut down three weeks ago after maintenance crews noticed one of the coach seats, which spin riders upside down, was not moving smoothly. Guitar Center Buys Georgia Chain Guitar Center Inc.’s band instruments division, American Music, has completed the acquisition of M & M; MUSIC, a five-store band instrument retailer headquartered in Valdosta, Ga. American Music has acquired the stock of M & M; MUSIC for $6.8 million. The M & M; MUSIC stores are to be immediately converted to the American Music brand. M & M; MUSIC serves more than 200 schools in the Southeast from four retail music stores, a service center in Georgia, and one retail store in Jacksonville, Fla. THQ Rejects Online Venture THQ Inc. of Calabasas is shutting down a venture that sold an online soccer game in Great Britain. The game, which put players in the role of managers rather than athletes, didn’t attract enough consumers who were willing to pay the monthly fee. THQ expects its net income to be reduced by $2.8 million, or 7 cents a share, to about 10 to 12 cents, in the quarter because of costs to close Network Interactive Sports Ltd., a venture started with HotGen Studios a year ago. Bank Buys Glendale Branch Jackson Federal Bank has purchased a branch office previously owned by Fremont Investment & Loan at 500 N. Brand Blvd. in Glendale. The office, with about $105 million in deposits, increases the number of Southern California retail branches operated by Jackson to 15. Jackson is a wholly owned affiliate of Jackson National Life Insurance Co. with total assets of $1.4 billion and capital of $165 million. Richman Runs for Valley Mayor State Assemblyman Keith Richman, R-Northridge, will run for mayor of the proposed San Fernando Valley city. He is the first candidate to officially announce he wants the office if a Nov. 5 secession vote is successful. The freshman lawmaker also is seeking reelection to the Legislature. Richman said, if he wins both offices and the Valley secedes, he will resign from the Assembly and a special election will be held to fill his seat. Richman might face state Sen. Richard Alarcon, D-Sylmar, who has said he is considering a run. Alarcon also is running for another term in the state Senate.