Why is Enviro Infra falling/rising?

As of 30-Jun, Enviro Infra Engineers Ltd is currently priced at 236.50, reflecting a decrease of 0.5, or 0.21%. The stock has underperformed its sector today by 1.38%, and its delivery volume has significantly dropped by 61.34% compared to the 5-day average, indicating a decline in investor participation. Over the past week, the stock has shown a positive return of 11.56%, but it has underperformed over the past month with a slight decline of 0.61%. Despite the company's strong fundamentals, including a high return on equity of 27.92% and impressive growth in net sales and operating profit, the stock's valuation appears expensive with a price-to-book ratio of 4.2. Additionally, there has been a reduction in institutional investor participation, which may contribute to the stock's recent downward movement.
In the broader market context, while the Sensex has increased by 2.09% over the past week, Enviro Infra's performance has been notably better in the short term, suggesting some resilience despite the overall decline in price. However, the stock's year-to-date performance shows a significant drop of 24.14%, contrasting sharply with the Sensex's gain of 7.00%. This disparity highlights the challenges faced by Enviro Infra amidst falling institutional interest and a high valuation, which may deter potential investors despite the company's positive operational results.