Why is Envirotech Sys. falling/rising?

As of 30-Sep, Envirotech Systems Ltd is experiencing a decline in its stock price, currently at 147.60, which reflects a decrease of 3.3 or 2.19%. The stock has underperformed its sector today by 3.47%, and the delivery volume has significantly dropped by 44.44% compared to the 5-day average, indicating falling investor participation. Although the stock remains above its 50-day, 100-day, and 200-day moving averages, it is below its 5-day and 20-day moving averages. Over the past week, the stock has decreased by 2.86%, while it has shown a positive return of 1.79% over the past month and a substantial year-to-date increase of 20.44%. Unfortunately, there is no information available regarding positive or negative factors that could further explain the stock's recent movement.
In the broader market context, the stock's short-term performance has been weaker than the benchmark, with the Sensex declining by 2.22% over the same week. While the stock has outperformed the benchmark over the longer term, with a 25.14% increase over the past year compared to the Sensex's decline of 4.65%, the recent short-term trends suggest a shift in investor sentiment. The combination of declining participation and underperformance relative to the sector may be contributing to the current downward pressure on the stock price.