Why is ION Exchange falling/rising?

As of 25-Aug, Ion Exchange (India) Ltd is currently priced at 448.65, reflecting an increase of 1.85 or 0.41%. The stock has shown a positive movement today, touching an intraday high of Rs 458, which is a 2.51% increase. However, it has underperformed its sector by 0.7%. Over the past week, the stock has gained 4.82%, but it has declined by 3.79% over the past month and significantly underperformed over the year with a return of -37.76%. Despite a high management efficiency indicated by a return on equity (ROE) of 22.67% and a low debt-to-equity ratio, the stock's long-term growth prospects appear poor, as evidenced by modest net sales and operating profit growth rates over the last five years.
Broader market context shows that while the stock has performed better than the benchmark Sensex in the short term, it has lagged significantly over longer periods, with a year-to-date decline of -31.50% compared to the Sensex's gain of 4.48%. The stock's liquidity remains adequate for trading, but a notable decline in investor participation, with delivery volume dropping by 47.89% against the five-day average, raises concerns about sustained interest. Overall, while there are some positive indicators regarding management efficiency and valuation, the stock's substantial underperformance in the past year and declining investor engagement suggest a challenging environment for Ion Exchange (India) Ltd.