Why is Enviro Infra falling/rising?

As of 28-Jul, Enviro Infra Engineers Ltd is experiencing a decline in its stock price, currently at Rs 260.60, which reflects a decrease of Rs 4.3 or 1.62%. The stock has been on a downward trend, losing value for the last six consecutive days and showing a total decline of 8.67% during this period. Despite touching an intraday high of Rs 271.5, it also reached a low of Rs 257.8 today. The stock's performance over the past week shows a significant drop of 8.08%, contrasting with a slight decline of 1.59% in the Sensex. While the company has demonstrated strong fundamentals, including a high return on equity and impressive growth in net sales and operating profit, these positive factors are overshadowed by a very expensive valuation and falling participation from institutional investors, which may be contributing to the stock's recent decline.
In the broader market context, the stock's short-term performance has been notably worse than the benchmark, with a 1-week return of -8.08% compared to the Sensex's -1.59%. This underperformance may reflect broader market sentiments or sector-specific challenges that are impacting investor confidence. Additionally, the decrease in institutional investor participation, which has dropped by 1.3% over the previous quarter, suggests a lack of confidence among more sophisticated investors, further exacerbating the stock's decline. Overall, while the company's fundamentals remain strong, the combination of high valuation concerns and reduced institutional interest appears to be driving the stock lower.