Why is Enviro Infra falling/rising?

As of 18-Jul, Enviro Infra Engineers Ltd is experiencing a price increase, with its current price at Rs 285.35, reflecting a rise of Rs 7.55 or 2.72%. The stock has shown strong performance today, outperforming its sector by 3.49% and reaching an intraday high of Rs 306.3, which is a 10.26% increase. Over the past week, the stock has gained 3.73%, and in the last month, it has surged by 32.11%, contrasting sharply with the Sensex, which has declined by 0.90% during the same period. Positive factors contributing to this rise include the company's high management efficiency, indicated by a return on equity (ROE) of 27.92%, and impressive growth in net sales and operating profit, which have increased significantly over the past year. However, there are concerns regarding falling participation from institutional investors, which may affect future price movements.
In the broader market context, while Enviro Infra has shown strong short-term returns, the benchmark Sensex has only increased by 0.38% over the last month. This indicates that the stock is performing well relative to the overall market. Despite a year-to-date decline of 8.47% compared to the Sensex's gain of 4.63%, the recent positive earnings reports and growth metrics have bolstered investor confidence, leading to the current upward price movement. However, the decrease in institutional investor participation could pose risks to sustained growth, as these investors typically have more resources to analyze the company's fundamentals compared to retail investors.