Why is ION Exchange falling/rising?

As of 31-Jul, Ion Exchange (India) Ltd is experiencing a decline in its stock price, currently at 467.00, which reflects a decrease of 12.0 or 2.51%. The stock has underperformed its sector by 2.92% today, opening with a loss of 4.32% and reaching an intraday low of Rs 458.3. Over the past week, the stock has decreased by 2.10%, and it has shown a significant decline of 14.00% over the past month. Despite having a high management efficiency with a return on equity (ROE) of 22.67% and a low debt-to-equity ratio, the stock's performance has been hampered by poor long-term growth, with net sales growing at an annual rate of only 13.09% over the last five years. Additionally, negative results reported in June, including the lowest return on capital employed (ROCE) at 19.53%, have contributed to the stock's downward trend.
In the broader market context, Ion Exchange has underperformed significantly compared to the benchmark Sensex, which has only fallen by 1.22% over the past week and 3.00% over the past month. The stock's year-to-date performance shows a decline of 28.70%, contrasting sharply with the Sensex's gain of 3.90%. This stark difference highlights the challenges Ion Exchange faces in attracting investor confidence, especially as it has generated a return of -33.10% over the past year while the broader market has only seen a slight decline of 0.68%. The falling investor participation, indicated by an 18% drop in delivery volume, further exacerbates the stock's struggles in the current market environment.