Why is Sigachi Indust. falling/rising?

As of 15-Sep, Sigachi Industries Ltd is currently priced at Rs 43.90, reflecting an increase of Rs 1.01 or 2.35%. The stock has shown strong performance recently, gaining 39.81% over the past week and 43.18% over the past month, significantly outperforming the Sensex, which has only risen by 1.24% and 1.47% in the same periods, respectively. Today's trading saw the stock reach an intraday high of Rs 46.7, although it also experienced a low of Rs 40.87, indicating a wide trading range. The stock has been on a consecutive gain streak for the last five days, and there has been a notable increase in investor participation, with delivery volume rising by 623.57% compared to the five-day average. However, the company does face challenges, including a low return on equity and a high price-to-book value ratio, which may contribute to its expensive valuation. In the broader market context, while Sigachi Industries has outperformed the benchmark in the short term, it has underperformed over the past year, with a return of -22.15% compared to the Sensex's decline of only -1.33%. The stock's performance has been negatively impacted by a significant portion of promoter shares being pledged, which can exert downward pressure in falling markets. Despite the recent gains, the company has reported flat results and a decrease in profit before tax, which raises concerns about its future performance. Overall, while the stock is currently rising, its long-term outlook remains uncertain due to these underlying issues.