Why is Envirotech Sys. falling/rising?

As of 16-Sep, Envirotech Systems Ltd is experiencing a price increase, currently at 161.40, reflecting a rise of 5.6 or 3.59%. The stock has shown strong performance, outperforming its sector by 3.17% today. Additionally, it is trading above its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages, indicating a positive trend. Over the past week, the stock has risen by 7.60%, and in the last month, it has increased by 9.76%. However, there has been a decline in investor participation, with delivery volume falling by 8.28% compared to the 5-day average, which may suggest some caution among investors.
In the broader market context, Envirotech's short-term performance significantly outpaces the benchmark Sensex, which has only risen by 1.49% over the past week. The stock's year-to-date return of 31.70% also contrasts sharply with the Sensex's 6.74% increase, highlighting its strong relative performance. While the stock is liquid enough for trading, the decline in delivery volume could indicate a potential concern for sustained momentum. Overall, the combination of strong price movements and relative outperformance against the benchmark suggests a positive sentiment towards Envirotech Systems Ltd, despite the recent dip in investor participation.