Why is Refractory Shap. falling/rising?

As of 28-Aug, Refractory Shapes Ltd's stock price is rising, currently at 62.95, reflecting an increase of 2.95 or 4.92%. The stock has shown strong performance recently, outperforming its sector by 6.57% today. Additionally, the stock has experienced a significant increase in investor participation, with delivery volume rising by 43.84% against the 5-day average. Over the past week, the stock has gained 15.50%, while it has also shown a 12.51% increase over the past month. However, it is important to note that the stock is down 33.74% year-to-date and has seen a substantial decline of 67.69% over the past year.
In the broader market context, while Refractory Shapes Ltd has outperformed the Sensex by a considerable margin in the short term, the benchmark itself has seen a decline of 2.32% over the past week and 0.73% over the past month. This indicates that the stock's recent rise is occurring in a generally unfavorable market environment. Despite the positive short-term performance, the long-term outlook remains challenging, as reflected in the year-to-date and one-year returns compared to the Sensex, which has gained 3.62% year-to-date and only declined by 2.20% over the past year.