NEW YORK (MarketWatch) -- Continental Airlines , United parent UAL Corp. , Lufthansa , and Air Canada have asked the U.S. for the approval of a trans-Atlantic joint venture that they said would provide advantages in setting fares, bookings and customer service. Additionally, Houston-based Continental is seeking anti-trust immunity in order to join the Star Alliance, a collection of 21 airlines that cooperate on ticketing, fares and routes.Market Pulse Stories are Rapid-fire, short news bursts on stocks and markets as they move. Visit MarketWatch.com for more information on...
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