Why is Brawn Biotech falling/rising?

As of 17-Sep, Brawn Biotech Ltd's stock price is currently at Rs 22.75, reflecting an increase of Rs 1.01 or 4.65%. The stock has shown strong performance today, outperforming its sector by 3.87% and reaching an intraday high of Rs 22.75. However, it also experienced a significant intraday low of Rs 20.67, indicating volatility with a wide trading range of Rs 2.08. Over the past week, the stock has risen by 14.90%, and in the last month, it has increased by 26.32%, although its long-term fundamentals are concerning, with a negative Return on Equity (ROE) and declining net sales and operating profit over the past five years. The stock's recent rise may be tempered by falling investor participation, as evidenced by a drastic drop in delivery volume.
In the broader market context, Brawn Biotech's short-term performance significantly outpaces the Sensex, which has only risen by 1.56% over the past week. Despite this positive short-term trend, the company's weak long-term fundamentals, including a negative EBIT to Interest ratio and a risky trading position compared to historical valuations, suggest caution for investors. While the stock has generated a modest return of 3.08% over the past year, its profits have increased substantially, indicating potential volatility ahead. Overall, the stock's recent rise is driven by short-term gains, but underlying financial weaknesses may pose risks for sustained growth.