Boeing sees 737 MAX U.S. approval before year-end, shares rise

(Reuters) - Boeing Co said on Wednesday it still expects U.S. regulatory approval for its grounded 737 MAX in the fourth quarter, sending its shares higher despite a slump in quarterly profit.The world's largest planemaker also said it was cutting production of its flagship Dreamliner, delaying plans to step up output of its money-spinning 737 line, and also delaying the arrival of a successor to its 777 mini-jumbo.These fresh industrial setbacks heaped pressure on a newly rejigged senior..