Why is Jupiter Life Lin falling/rising?

As of 15-Sep, Jupiter Life Line Hospitals Ltd is experiencing a decline in its stock price, currently at 1,443.00, reflecting a decrease of 4.9 points or 0.34%. The stock has been losing ground for the last three days, with a total drop of 3.38% during this period. Although the stock's performance over the past week shows a slight increase of 1.26%, it has underperformed in the year-to-date comparison, with a decline of 6.98% against the Sensex's gain of 4.67%. The company has a high management efficiency indicated by a return on capital employed (ROCE) of 20.76% and a low debt-to-equity ratio, which are positive factors. However, the recent negative results declared in June 2025, coupled with an expensive valuation reflected by a price-to-book value of 7, may be contributing to the stock's downward pressure.
In the broader market context, Jupiter Life Line's short-term performance is slightly better than the Sensex, which has gained 1.24% over the past week. However, the stock's year-to-date performance significantly lags behind the benchmark. The rising investor participation, indicated by a 15.28% increase in delivery volume, suggests some interest in the stock despite its recent declines. The high institutional holdings at 25.59% may provide some stability, as these investors typically have more resources to analyze the company's fundamentals. Nonetheless, the combination of negative earnings results and a high PEG ratio of 3.1 indicates that the stock may be perceived as overvalued, contributing to its current decline.