長廣 (7795.TW) 2025Q3 financial report shows that the Return on Sales (ROS) of 15.14%, has dropped sharply from the same period last year. This signals a clear deterioration in operational efficiency, often caused by higher costs, tougher competition, or an unfavorable change in product mix, leading to a significant drop in core profitability. If ROS keeps falling, you really need to watch whether the company can adjust its strategy, optimize costs, and boost its product or service competitiveness in time. It’s also a good idea to check gross margin, net margin, and other indicators to see if this decline is a structural risk.