Why is Cohance Life falling/rising?

As of 07-Aug, Cohance Lifesciences Ltd is experiencing a price increase, currently at Rs. 948.00, reflecting a rise of 12.05 or 1.29%. The stock opened with a gain of 4.19% today and reached an intraday high of Rs. 975.2. However, it has recently hit a new 52-week low of Rs. 919.55. Over the past week, the stock has underperformed with a return of -5.48%, and its year-to-date performance shows a significant decline of -16.35%. Despite a high management efficiency indicated by a return on equity (ROE) of 22.91% and a low debt-to-equity ratio, the company faces challenges with poor long-term growth, as evidenced by a -3.76% annual decline in operating profit over the last five years and a substantial drop in profit after tax for the latest quarter.
In the broader market context, the Sensex has shown a minor decline of -0.69% over the past week, indicating that the market is relatively stable compared to the stock's performance. While Cohance Life has outperformed its sector by 0.64% today, its overall returns are concerning, particularly with a year-on-year return of -4.29% against the Sensex's positive return of +1.45%. The stock's valuation appears expensive with a price-to-book value of 21.4, which may deter investors, especially given the recent drop in delivery volume by -74.89% compared to the five-day average. These factors suggest that while there may be short-term gains, the long-term outlook remains uncertain, contributing to the stock's volatility.