Why is International Ge falling/rising?

As of 24-Jul, International Gemmological Institute (India) Ltd is experiencing a price increase, currently at Rs 412.70, reflecting a rise of 7.65 or 1.89%. The stock has shown strong performance recently, outperforming its sector by 2.45% today and achieving a consecutive gain over the last two days with a total return of 4.32%. Additionally, the stock has demonstrated positive momentum with a 1-week return of 4.99% and a 1-month return of 16.35%, while it has been trading above its 5-day, 20-day, 50-day, and 100-day moving averages. The company has reported impressive financial metrics, including a 21.3% growth in net sales and a high return on equity (ROE) of 40.21%, although it is noted that the stock is considered expensive with a price-to-book value of 16.8.
In the broader market context, the stock's short-term performance contrasts sharply with the benchmark Sensex, which has seen a slight decline of 0.09% over the past week. While the stock has been gaining, the overall market has remained relatively flat, indicating that investor interest in International Gemmological Institute is strong despite a challenging market environment. The significant increase in delivery volume, which rose by 161.28% compared to the 5-day average, suggests rising investor participation, further supporting the stock's upward movement.