Why is Garden Reach Sh. falling/rising?

As of 22-Aug, Garden Reach Shipbuilders & Engineers Ltd is experiencing a decline in its stock price, currently at 2,552.95, reflecting a decrease of 27.9 points or 1.08%. The stock has underperformed its sector by 0.87% today, with an intraday high of Rs 2,634.9. Over the past week, the stock has decreased by 1.43%, while it has shown a year-to-date increase of 57.82%. Despite strong long-term fundamentals, including a low debt-to-equity ratio and significant growth in net sales and profit, the stock's recent performance is hindered by falling investor participation, as evidenced by a 19.49% drop in delivery volume compared to the 5-day average.
In the broader market context, the Sensex has risen by 0.88% over the past week, contrasting with Garden Reach's decline. This indicates that the stock is not only underperforming its sector but also the overall market. While institutional investors have increased their stake, suggesting confidence in the company's long-term prospects, the stock's high valuation relative to its peers may be contributing to its recent price drop. The stock's premium valuation, combined with a PEG ratio of 1, indicates that it may be perceived as overvalued, which could be affecting investor sentiment negatively in the short term.