Why is Duncan Engg. falling/rising?

As of 22-Jul, Duncan Engineering Ltd's stock price is currently at 495.00, reflecting a decrease of 18.5 points or 3.6%. The stock has been underperforming, having fallen consecutively for the last two days with a total decline of 4.03%. Despite opening the day with a gain of 3.01% and reaching an intraday high of Rs 528.95, it also touched a low of Rs 485.3, indicating significant volatility. Over the past week, the stock has shown a positive return of 7.95%, and over the last month, it has increased by 24.37%. However, year-to-date, it is down by 1.97%, and over the past year, it has decreased by 17.50%. The company benefits from high management efficiency, evidenced by a return on equity (ROE) of 18.12%, and maintains a low debt-to-equity ratio, which supports its financial stability.
In the broader market context, while Duncan Engineering's recent performance has been strong in the short term compared to the Sensex, which has declined by 0.47% over the past week, the stock's year-to-date performance lags behind the benchmark, which has gained 5.18%. This contrast highlights a potential disconnect between the stock's recent gains and its longer-term performance relative to the market. The stock's liquidity appears adequate for trading, with a delivery volume increase of 36.8% against the five-day average, suggesting rising investor participation despite the recent price decline.