Why is Envirotech Sys. falling/rising?

As of 12-Nov, Envirotech Systems Ltd is experiencing a decline in its stock price, currently at 138.65, which reflects a decrease of 16.45 or 10.61%. The stock has underperformed its sector by 11.44% today, and while it is higher than the 200-day moving average, it is lower than the 5-day, 20-day, 50-day, and 100-day moving averages. Additionally, the stock has seen a significant increase in delivery volume, rising by 112.33% against the 5-day average, indicating rising investor participation. Over the past week and month, the stock has declined by 14.15% and 11.80%, respectively, although it has shown positive performance year-to-date and over the past year, with increases of 13.14% and 14.82%.
In the broader market context, the Sensex has shown a positive return of 1.09% over the past week and 2.34% over the past month, contrasting with Envirotech's negative returns during the same periods. This underperformance relative to the benchmark suggests that external market factors may be favoring other investments over Envirotech. The lack of specific positive or negative factors in the dashboard limits the understanding of the underlying reasons for the stock's recent movement, but the overall market trend appears to be more favorable for other stocks compared to Envirotech.