Why is Parnax Lab falling/rising?

As of 30-Jul, Parnax Lab Ltd's stock is currently priced at 125.00, reflecting a decrease of 0.95, or 0.75%. The stock has underperformed its sector today by 1.36%, and its delivery volume has significantly declined by 50.4% compared to the 5-day average, indicating falling investor participation. Despite a strong performance over the past year with a return of 20.13%, the stock's long-term fundamentals appear weak, as evidenced by an average Return on Equity (ROE) of 11.65% and a high Price to Book Value ratio of 1.7, suggesting it is trading at a premium compared to peers.
In the broader market context, Parnax Lab's short-term performance has been negative, with a 3.10% decline over the past week, while the benchmark Sensex has only decreased by 1.50%. This underperformance highlights the stock's struggles despite its positive annual return, especially as the overall market has generated negative returns of 2.34% in the last year. The combination of weak investor participation and high valuation metrics may contribute to the stock's recent price decline, contrasting with its historical performance over longer periods.