Why is Nitin Castings falling/rising?

As of 19-Sep, Nitin Castings Ltd is currently priced at 578.50, reflecting an increase of 3.5 (0.61%). The stock has been gaining for the last two days, with a total return of 1.19% during this period. Additionally, it has outperformed its sector by 0.5%. The stock's delivery volume has significantly increased, rising by 586.71% against the 5-day average, indicating rising investor participation. Despite this recent uptick, the stock has underperformed in the longer term, with a year-to-date decline of 16.76% and a one-year return of -14.42%. The company's low debt-to-equity ratio and healthy long-term growth, evidenced by an annual operating profit growth rate of 68.52%, suggest a stable financial position, although profits have fallen by 1.4% over the past year.
In the broader market context, Nitin Castings' short-term performance contrasts with the benchmark, as it has declined by 1.07% over the past week while the Sensex has gained 0.88%. This divergence highlights the stock's relative weakness in the market despite its recent gains. The stock's performance is also notable when considering its historical returns, having achieved a remarkable 310.43% increase over the past three years, compared to a 39.71% rise in the Sensex. This long-term growth may provide some reassurance to investors, but the recent underperformance relative to the benchmark and the overall market conditions could be contributing factors to the stock's volatility.