Why is KRN Heat Exchan falling/rising?

As of 18-Aug, KRN Heat Exchanger and Refrigeration Ltd's stock price is currently at Rs 871.00, reflecting an increase of Rs 16.85 or 1.97%. The stock has shown a trend reversal, gaining after two consecutive days of decline, and it outperformed its sector by 1.56% today. The stock reached an intraday high of Rs 875, indicating positive momentum. Over the past week, the stock has decreased by 0.80%, but it has increased by 2.57% over the past month and has a year-to-date return of 24.19%. The company demonstrates strong fundamentals, including a high return on equity of 20.30%, a low debt to EBITDA ratio of 0.37, and significant growth in net sales and profit after tax for the nine-month period ending June 25. Additionally, institutional investors have increased their stake, which may contribute to positive sentiment around the stock.
In the broader market context, while KRN Heat Exchanger's stock has outperformed the sector today, it has underperformed compared to the benchmark Sensex over the past week, which has gained 0.83%. However, the stock's year-to-date performance of 24.19% significantly surpasses the Sensex's 4.01% increase, indicating strong relative strength. Despite a recent decline in investor participation, as evidenced by a 66.11% drop in delivery volume, the overall liquidity remains adequate for trading. The combination of strong financial performance, institutional interest, and a recent uptick in stock price suggests a positive outlook, even amidst some short-term volatility.