Why is Sadbhav Engg. falling/rising?

As of 26-Aug, Sadbhav Engineering Ltd's stock price is currently at 15.67, reflecting a decline of -0.82, or -4.97%. The stock has been underperforming, having fallen consecutively for the last two days, resulting in a total decline of -9.68% during this period. Despite a recent positive performance over the past week and month, where the stock increased by 8.52% and 28.55% respectively, it has a troubling long-term outlook with a year-to-date decline of -41.88% and a one-year drop of -56.08%. The company's negative book value, high debt-to-equity ratio, and poor sales growth have contributed to its weak fundamental strength, leading to investor concerns. Additionally, 80.45% of promoter shares are pledged, which adds further downward pressure in a falling market.
In the broader market context, while the Sensex has shown a slight decline of -1.05% over the past week and -0.83% over the past month, Sadbhav Engineering's recent performance has significantly lagged behind these benchmarks. The stock's performance today underperformed its sector by -3.16%, indicating that investor sentiment is particularly negative towards it compared to the overall market. The company's flat results in net sales and increasing reliance on non-operating income further exacerbate the situation, making it a risky investment in the current market environment.