Why is RBZ Jewellers Lt falling/rising?

As of 28-Aug, RBZ Jewellers Ltd's stock price is currently at 139.30, reflecting an increase of 7.2, or 5.45%. The stock has outperformed its sector today by 4.3%, reaching an intraday high of Rs 140.9. Over the past week, the stock has shown a modest gain of 1.42%, while it has also increased by 1.53% over the past month. However, despite these short-term gains, the stock has underperformed significantly on a year-to-date basis, with a decline of 28.16%. The company has a low debt-to-equity ratio of 0.48, and while it has demonstrated healthy long-term growth in net sales and operating profit, recent quarterly performance indicators such as profit before tax and profit after tax have fallen by over 26% compared to previous averages, indicating potential concerns about its profitability.
In the broader market context, the stock's recent performance contrasts with the Sensex, which has declined by 2.34% over the past week and 1.00% over the past month. This suggests that RBZ Jewellers Ltd is experiencing a relatively positive momentum compared to the overall market. However, the stock has consistently underperformed against the benchmark over the last three years, generating a return of -10.33% in the past year. Additionally, there has been a decrease in institutional investor participation, with a reduction of 1.57% in their stake, which may reflect a lack of confidence in the company's fundamentals. Overall, while the stock has seen a short-term rise, the long-term outlook remains cautious due to its historical underperformance and recent declines in key financial metrics.