Tosoh reported net sales of 747.89 billion yen ($5.01 billion), down 5.9% year-on-year, for the first nine months (April-December) of the fiscal year ending March 2024. Operating income stood at 59.55 billion yen, up 1.1%, ordinary income at 68.67 billion yen, down 5.0%, and net income at 41.37 billion yen, down 10.7%. By segment, the petrochemical business posted sales of…