Why is PNB Housing falling/rising?

As of 15-Sep, PNB Housing Finance Ltd's stock price is currently at 835.40, reflecting an increase of 5.7, or 0.69%. The stock has been on a positive trajectory, gaining for the last seven days with a total return of 6.6% during this period. Despite this recent uptick, the stock has underperformed its sector by 0.75% today. Over the past week, PNB Housing has outperformed the Sensex, with a return of 4.44% compared to the benchmark's 1.24%. The company has reported positive results for 11 consecutive quarters, with net sales reaching a record high of Rs 2,076.11 crore and a notable growth in profit before tax. Additionally, the stock's attractive valuation, indicated by a price-to-book value of 1.3 and a PEG ratio of 0.4, suggests that it is trading at a fair value relative to its peers.
Broader market context indicates that while PNB Housing has shown strong short-term performance, it has struggled over the longer term, with a year-to-date return of -5.07% compared to the Sensex's gain of 4.67%. The stock's long-term growth prospects are hindered by a negative annual growth rate in net sales of -0.50% and a significant decline of -26.44% over the past year, which is much worse than the broader market's decline of -1.33%. Despite high institutional holdings at 62.18%, which reflect confidence in the company's fundamentals, the overall performance suggests that investors remain cautious due to the stock's historical underperformance relative to the market.