Why is AIA Engineering falling/rising?

As of 03-Sep, AIA Engineering Ltd's stock price is currently at 3,075.00, reflecting a decrease of 31.0 points or 1.0%. Today, the stock opened with a gain of 2.41% but has since fallen, marking a trend reversal after three consecutive days of gains. The stock is now 2.42% away from its 52-week low and has underperformed its sector by 0.82%. Over the past week, the stock has shown a modest increase of 1.28%, but it has declined by 0.78% over the past month and has experienced a significant drop of 30.31% over the last year. The company's high management efficiency, indicated by a return on equity (ROE) of 15.46%, and low debt-to-equity ratio are positive factors; however, the stock's poor long-term growth, with net sales growing at only 8.77% annually and a very expensive valuation relative to its peers, contribute to its recent price decline.
Broader market context shows that while AIA Engineering's stock has underperformed the BSE500 index over the last year and three years, the benchmark has gained 3.11% year-to-date. The stock's performance today is further hindered by a significant drop in investor participation, with delivery volume falling by 63.77% against the five-day average. Despite the stock being liquid enough for trading, the overall sentiment remains negative due to flat results in recent quarters and a declining return on capital employed (ROCE). This combination of factors indicates a challenging environment for AIA Engineering, leading to its current price decline.