RIYADH: Saudi-listed Yanbu National Petrochemical Co., known as Yansab, reported a 44 percent profit drop to for the first half of 2022, weighed down by higher costs. The firm, a subsidiary of Saudi Basic Industries Corp., posted profits of SR571 million ($152 million), compared to SR1.1 billion in the same period a year earlier. In a filing to the Saudi Exchange, Yansab said