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Colombia’s Ecopetrol and Los Angeles-based Occidental Petroleum Inc. began to pump and transport oil from eastern Colombia again after guerrilla attacks on a key pipeline shut down activities for six days. Workers from Ecopetrol finished repairs Saturday on the Cano Limon-Covenas pipeline, which carries about one-third of Colombia’s oil output to port on the Caribbean coast. Guerrillas attacked the pipeline twice in the last two weeks, leading Ecopetrol and Occidental to shut down the transportation and production of oil on Aug. 4.... arlsbad-based Callaway Golf Co. said it completed the $130-million purchase of U.S. Industries Inc.’s Odyssey Sports unit, which makes putters. Ron Drapeau, formerly chief executive of Zurn Industries Inc.’s Lynx Golf subsidiary, will be president and chief executive of Odyssey Golf... The international law firm of Akin, Gump, Strauss, Hauer & Feld said it has opened a Los Angeles office.... Biomedical research company Geron Corp. of Menlo Park reported a second-quarter net loss of $1.8 million, or 17 cents a share, compared with a net loss of $2.4 million, or 34 cents, a year ago.