Why is Duncan Engg. falling/rising?

As of 24-Jul, Duncan Engineering Ltd's stock price is rising, currently at 530.00, reflecting an increase of 38.05 or 7.73%. Today's price summary indicates that the stock has outperformed its sector by 6.8% and has experienced a trend reversal after three consecutive days of decline. It opened with a gain of 5.69% and reached an intraday high of Rs 538.7, although it also saw a low of Rs 475, indicating high volatility with a wide trading range of Rs 63.7. Over the past week, the stock has increased by 8.61%, while its one-month return stands at 27.71%, showcasing a strong short-term performance despite a longer-term decline of 13.53% over the past year.
In the broader market context, Duncan Engineering's recent performance contrasts with the Sensex, which has remained relatively flat with a 0.16% increase over the past month. While the stock has shown positive short-term returns, it has underperformed in the long term, with a net sales growth rate of only 14.32% over the last five years and a significant decline in profits. The company's high management efficiency, indicated by a return on equity of 18.12%, is overshadowed by its expensive valuation and poor long-term growth prospects, which may contribute to investor caution despite the recent price rise.