Why is Fischer Medical falling/rising?

As of 05-Sep, Fischer Medical Ventures Ltd is experiencing a price increase, with the current price at Rs. 1,120.00, reflecting a rise of 28.9 points or 2.65%. The stock has reached a new 52-week high today and has shown strong performance, gaining 7.45% over the past week and 12.63% over the past month. It has consistently outperformed the sector by 3.29% today and has been on a gaining streak for the last five days. The company has reported impressive financial growth, with net sales increasing by 247.89% and a significant rise in profit after tax (PAT) of 160.70%. However, it faces challenges with low management efficiency, indicated by a low return on equity (ROE) of 1.39%, and a high price-to-book value ratio of 23.5, which may raise concerns about its valuation despite the recent positive performance.
In the broader market context, Fischer Medical's short-term returns significantly outpace the benchmark, with a 7.45% increase over the past week compared to the Sensex's 1.13% rise. This trend is consistent with its year-to-date performance, where the stock has gained 57.89% against the Sensex's 3.29%. The stock's ability to generate consistent returns over the last three years, outperforming the BSE500, further supports its positive momentum. However, the lack of domestic mutual fund investment may indicate some caution among institutional investors regarding the stock's valuation or business fundamentals, which could affect future performance.