Why is NRB Indl Bearing falling/rising?

As of 01-Sep, NRB Industrial Bearings Ltd is experiencing a decline in its stock price, currently at Rs 25.90, which reflects a decrease of Rs 1.1 or 4.07%. Today's price summary indicates that the stock opened with a loss of 4.89% and reached an intraday low of Rs 25.68. Despite a positive performance over the past month with a return of 16.30%, the stock has underperformed its sector by 5.07% today. The company has shown some positive financial indicators, such as a high debtors turnover ratio and an increase in profit after tax, but it also faces significant challenges, including a negative book value and a weak long-term growth outlook, which contribute to its current price movement.
Broader market context shows that while the stock has outperformed the benchmark Sensex over the past week and month, it has significantly underperformed over the past year, with a return of -32.52% compared to the benchmark's -2.43%. This stark contrast highlights the stock's struggles in a generally declining market environment. The overall market has seen negative returns, yet NRB Industrial Bearings Ltd's decline has been more pronounced, indicating underlying issues that may deter investor confidence despite some recent positive financial results.