Why is Grindwell Norton falling/rising?

As of 05-Aug, Grindwell Norton Ltd. is currently priced at 1,503.40, reflecting a slight increase of 3.35 (0.22%). The stock has shown a trend reversal by gaining after seven consecutive days of decline, outperforming its sector by 0.66% today. However, 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 decreased by 4.55%, and it has experienced a significant decline of 21.83% year-to-date. Despite high management efficiency indicated by a return on equity (ROE) of 18.29% and a low debt-to-equity ratio, the company has faced challenges with poor long-term growth, as evidenced by a 14.94% annual growth rate in net sales over the last five years and a return of -38.94% over the past year.
In the broader market context, Grindwell Norton has underperformed compared to the Sensex, which has gained 3.29% year-to-date, while Grindwell Norton has seen a decline of 21.83%. This underperformance is further highlighted by its returns over the past three years, where it has dropped by 23.35% compared to the Sensex's increase of 38.23%. The stock's recent rise may be attributed to increased investor participation, with delivery volume rising significantly, but the overall sentiment remains cautious due to its flat results and high valuation metrics, which suggest that it may be trading at a premium compared to its peers.