AIR FARE HIKE of about 5% is in the works for domestic carriers. New fares would boost airlines' rate of return on investments to 10.5%. Because of promised fare increase, Capital Airlines asked to withdraw its $13 million subsidy request, and CAB agreed not to investigate Capital.

AUTO MERGER will join Jaguar Cars and Daimler Co., oldest in England, make merged firm sixth largest British automaker. Jaguar will expand its own production in Daimler's factory, continue making Daimler's limousines, armored cars and buses.

BIGGEST U.S. ADVERTISER in 1959 in major media was General Motors ($110.6 million), which ousted Procter & Gamble ($105.6 million) from lead. Others, according to rank: Ford Motor Co. ($61.7 million), General Foods ($61 million), Lever Brothers ($57 million), American Home Products ($52 million), Colgate-Palmolive ($50 million), Chrys ler ($47 million), R. J. Reynolds Tobacco ($39 million) and American Tobacco ($35 million).

PORTABLE TRANSISTOR TV with 19-in. screen will be put on sale by Motorola Inc. New suitcase-size model is first big-screen transistorized portable. It weighs 40 Ibs., including a 5-lb. energy cell that provides five to six hours' operation, can be recharged up to 500 times from regular electrical outlet. Price: $363.

TROPICANA orange-juice-processing in Florida will be banned for 30 days by order of the Florida State Agriculture Commission, which found that Tropicana had adulterated chilled orange juice with sugar syrup.

NEW G.M. SALES BOSS is slated to be James M. Roche, general manager of Cadillac division, who will succeed William F. Hufstader, retiring this month.

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