Why is Divi's Lab. falling/rising?

As of 08-Jul, Divis Laboratories Ltd is experiencing a rise in its stock price, currently at 6,919.90, with an increase of 38.9 points or 0.57%. The stock has recently reached a new 52-week and all-time high of Rs 7077.7, reflecting a strong performance today, outperforming its sector by 1.5%. Over the past week, the stock has gained 0.80%, and it has shown impressive returns of 54.90% over the last year, significantly surpassing the Sensex's 4.69% increase. The company has demonstrated high management efficiency with a return on equity (ROE) of 17.46%, a low debt-to-equity ratio, and positive results over the last three quarters, which have contributed to its upward momentum.
In the broader market context, Divis Laboratories' recent performance has outpaced the benchmark, with a 5.69% increase over the past month compared to the Sensex's 1.85%. However, there are concerns regarding falling investor participation, as the delivery volume has decreased significantly by 82.8% against the 5-day average. Despite this, the stock remains liquid enough for trading, and high institutional holdings at 38.72% suggest strong confidence from knowledgeable investors. While the stock's valuation appears expensive with a price-to-book ratio of 12.3 and a PEG ratio of 2.3, its consistent performance and market-beating returns indicate a robust position in the market.