India, Aug. 4 -- Zeon reported a 115 percent jump in operating profit from its elastomer business in the first quarter of fiscal 2025, even as net sales across the segment stagnated, squeezed by a stronger yen and lower selling prices reflecting declining raw material costs. Operating profit in the elastomer unit-including synthetic rubbers used in tyres-rose to 4.2 billion from 2.0 billion last quarter, as post-maintenance sales volumes improved and fixed costs dropped. Segment revenue stood flat at 58.1 billion, down 4 percent year-on-year, with synthetic rubber sales slipping 2 percent to 44.5 billion. Chemicals revenue dropped 12 percent to 9.0 billion, while latexes rose 3 percent to 3.5 billion. "Despite the impact of lower selling ...