Why is J.G.Chemicals falling/rising?

As of 17-Sep, J.G.Chemicals Ltd's stock price is currently at 478.10, reflecting an increase of 1.75 or 0.37%. The stock has been gaining for the last four days, with a total return of 1.72% during this period. However, it underperformed its sector by 0.62% today. The stock reached an intraday high of Rs 493.6, but trading volume has decreased, with a delivery volume of 34.52k on 16 September falling by 7.26% against the five-day average. Over the past year, the stock has generated a return of 10.51%, significantly outperforming the broader market, which has seen negative returns of -2.63%. The company also boasts a low debt-to-equity ratio and a strong return on equity of 13.8, indicating attractive valuation metrics.
In the broader market context, the stock's short-term performance has been less favorable compared to the benchmark Sensex, which has gained 1.56% over the past week, while J.G.Chemicals has seen a slight decline of 0.04%. Despite this, the stock has shown resilience with a year-to-date return of 18.05%, outperforming the Sensex's 5.83% gain. The market's overall positive sentiment contrasts with the stock's recent underperformance, suggesting that while the company has strong fundamentals, external market conditions may be influencing its price movements.