Why is BGR Energy Sys. falling/rising?

As of 12-Aug, BGR Energy Systems Ltd is experiencing a decline in its stock price, currently at Rs 121.10, which reflects a decrease of Rs 3.41 or 2.74%. Despite opening with a gain of 5.21% and reaching an intraday high of Rs 131, the stock has faced significant volatility, touching a low of Rs 120. The stock has shown strong performance over the past year, with a return of 186.97%, and has outperformed the BSE500 in various timeframes. However, the company has a negative book value and has reported losses for the last three consecutive quarters, which raises concerns about its long-term fundamental strength. Additionally, the high debt levels and a significant percentage of promoter shares being pledged contribute to the stock's downward pressure.
In the broader market context, BGR Energy Systems has outperformed the Sensex in the short term, with a 1-week return of 12.71% compared to the benchmark's decline of 0.59%. However, the stock's current performance today has underperformed its sector by 2.61%. While the stock has shown impressive returns over the long term, the recent negative financial results and declining investor participation may be influencing the current price drop. The combination of high volatility and weak fundamentals suggests that investors are cautious, leading to the stock's recent decline despite its historical performance.