Why is Diamond Power falling/rising?

As of 02-Sep, Diamond Power Infrastructure Ltd is currently priced at 143.30, reflecting an increase of 2.1 or 1.49%. The stock has shown positive movement recently, gaining 3.58% over the last two days and outperforming its sector by 0.52%. Despite this short-term gain, the stock has experienced a decline of 15.98% over the past month and a year-to-date drop of 6.06%. The company has reported positive results for the last seven consecutive quarters, with net sales growing by 77.42% and a significant increase in profit after tax. However, it also faces challenges such as a negative book value, high debt levels, and declining promoter confidence, which may contribute to its overall volatility and risk perception among investors.
In the broader market context, the stock's short-term performance contrasts with the benchmark Sensex, which has declined by 0.78% over the past week. While Diamond Power has shown resilience in the short term, its long-term fundamentals are concerning, as evidenced by a poor annual growth rate in net sales and operating profit over the last five years. The decreasing stake of promoters in the company may also indicate a lack of confidence in its future prospects, which could weigh on investor sentiment despite recent gains.