Why is Envirotech Sys. falling/rising?

As of 12-Sep, Envirotech Systems Ltd is currently priced at 156.70, reflecting a decline of 6.6 points or 4.04%. Despite this drop, the stock has shown positive performance over the past week and month, with returns of 2.45% and 6.63%, respectively. Additionally, the stock has outperformed the benchmark Sensex over these periods, which gained 1.51% in the last week and 2.56% in the last month. Today's price summary indicates that Envirotech Systems is trading above its moving averages across various time frames, and there has been a significant increase in investor participation, with delivery volume rising by 122.22% compared to the 5-day average. However, the stock has underperformed its sector by 4.68%, and there is no information available regarding positive or negative factors that could influence its recent movement.
Broader market context shows that while Envirotech Systems has had a strong year-to-date return of 27.87% compared to the Sensex's 6.21%, the current decline may be attributed to short-term fluctuations and sector performance. The stock's recent underperformance against its sector could be a contributing factor to the price drop, despite its overall positive trajectory in the longer term. The liquidity of the stock remains adequate for trading, which suggests that while the stock is experiencing a downturn, it is still actively traded and may recover as market conditions evolve.