Why is Senores Pharma. falling/rising?

As of 26-Aug, Senores Pharmaceuticals Ltd is experiencing a decline in its stock price, currently at Rs 705.10, which represents a decrease of Rs 15.25 or 2.12%. The stock has underperformed its sector by 0.32% today and has been on a consecutive downward trend for the last two days, resulting in a total drop of 2.57%. Despite being only 4.5% away from its 52-week high of Rs 736.8, the stock's delivery volume has significantly decreased by 35.45% compared to the 5-day average, indicating falling investor participation. While the company has shown strong long-term growth with net sales increasing at an annual rate of 85.60% and operating profit at 130.72%, it also faces challenges such as a high valuation with a Price to Book Value of 4.1 and a decline in institutional investor stakes by 0.65%. In the broader market context, Senores Pharmaceuticals has outperformed the benchmark Sensex over the past week and month, with returns of 0.75% and 5.54%, respectively, while the Sensex has declined by 1.05% and 0.83% during the same periods. However, the stock's year-to-date performance of 23.94% contrasts with the Sensex's modest gain of 3.39%, suggesting that while the stock has shown resilience, recent price movements may reflect investor concerns about valuation and participation levels. The overall market sentiment may also be influencing the stock's current decline, as institutional investors, who typically have more resources for analysis, are reducing their stakes.