UPDATE: Australia #39;s Orica Triples FY Net To A\$327.8M MELBOURNE (Dow Jones)--Following several years of cost cutting, Australia #39;s Orica Ltd. (ORI.AU), the world #39;s biggest maker of mining explosives, on Wednesday said net 
AirTran to acquire ATA #39;s Chicago gates AirTran Airways plans to assume the Chicago Midway Airport gate leases and acquire other related assets including takeoff and landing slots at New York #39;s LaGuardia and Washington #39;s Ronald Reagan National airports from ATA Airlines for approximately \$87.