Why is Enviro Infra falling/rising?

As of 18-Aug, Enviro Infra Engineers Ltd is experiencing a price increase, currently at Rs 257.15, which reflects a rise of 6.25 or 2.49%. Today's performance indicates that the stock has outperformed its sector by 2.54%, reaching an intraday high of Rs 259.65. Despite a recent decline of 9.88% over the past month, the stock has shown a positive return of 5.98% over the past week. The company has demonstrated strong management efficiency with a high return on equity of 27.92% and a low debt-to-equity ratio of 0.05 times. Additionally, the company has reported positive results for the last three consecutive quarters, with net sales growing at 25.38% and profit after tax increasing by 34.48%, contributing to the stock's upward movement.
In the broader market context, the stock's recent performance contrasts sharply with the benchmark Sensex, which has only increased by 0.83% over the past week. While the stock has shown a significant short-term gain, its year-to-date performance remains negative at -17.51%, compared to the Sensex's positive return of 4.01%. This divergence suggests that while the stock is currently gaining momentum, it has struggled over a longer period, indicating potential volatility and investor caution. The falling investor participation, with a significant drop in delivery volume, may also reflect some hesitance among investors despite the recent positive performance.