Why is Maruti Sec. falling/rising?

As of 31-Jul, Maruti Securities Ltd is experiencing a price increase, with its current price at Rs 32.97, reflecting a change of 1.57 (5.0%) upward. The stock opened with a gain of 5% today and reached an intraday high of Rs 32.97. Despite this positive movement, the stock has shown a decline of 20.36% over the past month and a slight decrease of 1.52% over the last week. While it has outperformed the sector by 5.54% today, the delivery volume has significantly dropped by 91.29% compared to the 5-day average, indicating falling investor participation. The stock has generated impressive returns of 238.50% over the past year, despite having a negative book value and weak long-term fundamental strength, which raises concerns about its sustainability.
In the broader market context, the stock's recent performance contrasts with the benchmark Sensex, which has seen a decline of 1.22% over the past week and a negative return of 3.00% over the last month. While Maruti Securities has outperformed the market in the long term, its recent price movements suggest volatility and risk, especially given the company's negative book value and flat results in December 2023. This combination of strong historical performance and current weaknesses may contribute to the stock's mixed signals in the market.