Halliburton Co. and Baker Hughes Inc. wasted no time making clear they will take different paths after the termination of their merger. "Our strategy has not changed," Halliburton Chief Executive Officer Dave Lesar told investors and analysts on a conference call Tuesday. His statement came minutes after Baker Hughes wrapped up a separate conference call in which CEO Martin Craighead repeatedly said that the company was going to change its focus be "more selective" in where it does business.