Why is ION Exchange falling/rising?

As of 22-Sep, Ion Exchange (India) Ltd is experiencing a price increase, currently at 431.30, reflecting a rise of 7.0 or 1.65%. The stock has shown positive momentum, gaining for the last two days with a total return of 2.07% during this period. It outperformed its sector by 2.21% today and reached an intraday high of Rs 435.05. Despite a negative return of -36.49% over the past year, the stock has a high management efficiency with a return on equity (ROE) of 22.67% and a low debt-to-equity ratio, which contributes to its attractive valuation. However, the company has shown poor long-term growth, with net sales and operating profit growth rates of 14.09% and 15.86% respectively over the last five years, which may weigh on investor sentiment.
In the broader market context, Ion Exchange's short-term performance has outpaced the benchmark Sensex, which has risen by 0.46% over the past week compared to the stock's gain of 0.77%. While the stock has struggled with a significant decline year-to-date of -34.15% against the Sensex's positive return of 5.15%, its recent gains indicate a potential recovery phase. The rising investor participation, as evidenced by a 90.09% increase in delivery volume, suggests renewed interest in the stock, which could be a positive sign for its future performance amidst the broader market trends.