Why is DMR Hydroengg. falling/rising?

As of 22-Sep, DMR Hydroengineering & Infrastructures Ltd is experiencing a price increase, with the current price at Rs 56.99, reflecting a rise of 1.89 (3.43%). The stock has shown strong performance recently, gaining 14.9% over the last four days and outperforming its sector by 3.93% today. It opened with a gain of 3.45% and reached an intraday high of Rs 57. The stock has consistently traded above its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages, indicating a bullish trend. However, there has been a notable decline in investor participation, with delivery volume dropping by 72.22% against the 5-day average, which may raise concerns about the sustainability of the price increase.
Broader Market Context: In comparison to the benchmark Sensex, DMR Hydroengineering has significantly outperformed in the short term, with a 1-week return of +13.87% compared to the Sensex's +0.46%. Over the past month, the stock has surged by 135.94%, while the Sensex has only increased by 1.05%. This stark contrast highlights the stock's strong momentum relative to the broader market, contributing to its rising price. Despite the positive performance, the drop in delivery volume suggests that while the stock is gaining in price, there may be underlying concerns regarding investor confidence and participation.