Why is KRN Heat Exchan falling/rising?

As of 30-Jul, KRN Heat Exchanger and Refrigeration Ltd's stock price is currently at Rs 859.00, reflecting an increase of Rs 42.95 or 5.26%. The stock has shown a trend reversal, gaining after four consecutive days of decline, and has outperformed its sector by 4.55% today. It reached an intraday high of Rs 876.4, indicating strong intraday performance. Over the past week, the stock has decreased by 1.04%, but it has increased by 1.23% over the past month, contrasting with the Sensex, which has dropped by 1.50% and 2.54% in the same periods, respectively. Positive factors contributing to the stock's rise include high management efficiency with a return on equity (ROE) of 20.30%, a low debt to EBITDA ratio of 0.37, and robust long-term growth with net sales increasing at an annual rate of 32.00%. Additionally, institutional investors have increased their stake, indicating confidence in the company's fundamentals.
In the broader market context, KRN Heat Exchanger's recent performance contrasts favorably with the Sensex, which has seen a decline in both the short-term and long-term returns. While the stock has shown a year-to-date increase of 22.48%, the Sensex has only risen by 4.28% in the same timeframe. This suggests that KRN is performing well relative to the overall market. However, there are risks to consider, such as its high valuation with a price to book value of 10.8 and a relatively low ROE of 10.1, which may raise concerns among investors. Despite these risks, the stock's recent upward movement appears to be driven by strong operational performance and increasing institutional interest.