India, Aug. 13 -- Bridgestone Corp, the world's one of largest tyre manufacturers, reported a 42 percent decline in first-half net profit as restructuring costs weighed on earnings, though the company maintained its full-year guidance amid improving operational performance.

The Tokyo-based company posted net profit attributable to shareholders of 115.5 billion yen for the six months ended June 30, down from 199.1 billion yen a year earlier. The decline was primarily due to exceptional gains from asset sales recorded in the previous year.

Revenue fell three percent to 2.12 trillion yen, reflecting challenging market conditions across key regions. However, adjusted operating profit rose two percent to 234.6 billion yen, with margins impro...