Why is Grindwell Norton falling/rising?

As of 12-Aug, Grindwell Norton Ltd. is currently priced at 1,485.00, reflecting a decrease of 4.45, or 0.3%. The stock has underperformed its sector today by 0.28%, and it is trading below its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages. Over the past week, the stock has declined by 1.69%, and it has experienced a significant drop of 13.61% over the past month. Additionally, the delivery volume has fallen sharply by 58.28% compared to the 5-day average, indicating a decrease in investor participation. While the company boasts a high return on equity (ROE) of 18.29% and a low debt-to-equity ratio, its long-term growth prospects appear poor, with net sales growing at only 14.94% annually over the last five years and a significant decline in profits over the past year.
In the broader market context, Grindwell Norton has underperformed the Sensex, which has seen a slight decline of 0.59% over the past week, while Grindwell's performance has been notably worse. The stock has generated a return of -38.43% over the last year, contrasting sharply with the Sensex's modest gain of 0.74% during the same period. This underperformance is compounded by the company's flat results in June and a high valuation relative to its peers, as indicated by its price-to-book value of 7.3. Overall, the combination of declining investor interest, poor recent financial performance, and unfavorable comparisons to the benchmark has contributed to the stock's downward movement.