Why is Diamond Power falling/rising?

As of 30-Jul, Diamond Power Infrastructure Ltd is experiencing a decline in its stock price, currently at 163.85, reflecting a decrease of 1.3 points or 0.79%. The stock has underperformed its sector by 0.92% today and has been on a consecutive downward trend for the last two days, resulting in a total decline of 2.32%. Despite a strong performance over the past month with an 18.56% increase, the stock has shown a negative return of 2.24% over the last week. Positive factors include consistent growth in net sales and profit after tax over the last six quarters, alongside a high inventory turnover ratio. However, the company faces significant challenges, including a negative book value, high debt levels, and a reduction in promoter confidence, which may contribute to the current price decline.
In the broader market context, the stock's recent performance contrasts with the benchmark Sensex, which has declined by 1.50% over the past week. While Diamond Power has outperformed the Sensex over longer periods, including a 14.82% return over the last year compared to the Sensex's minimal growth, the short-term underperformance and negative sentiment surrounding its financial health may be influencing investor behavior. The decrease in delivery volume and the recent drop in promoter stake further indicate a cautious outlook among investors, suggesting that the stock's current decline may be driven by concerns over its long-term viability despite its historical performance.