Why is Shankara Build. falling/rising?

As of 30-Sep, Shankara Building Products Ltd is experiencing a decline in its stock price, currently at Rs 192.00, reflecting a decrease of Rs 10.1 or 5.0%. The stock has been underperforming, having fallen consecutively for the last four days, resulting in a total return of -18.51% during this period. It opened with a loss of 5% today and has not traded outside this price range. Additionally, the stock's performance over the past week shows a significant decline of 18.47%, while it has outperformed the benchmark Sensex over the year with a return of 53.79%. However, the recent drop in delivery volume by 73.63% against the five-day average indicates falling investor participation, which may contribute to the stock's downward trend.
In the broader market context, while the Sensex has only decreased by 2.23% over the past week, Shankara Building Products Ltd's performance has been significantly worse, suggesting a lack of investor confidence. The reduction in promoter stake by 9.07% may signal diminished confidence in the company's future, further impacting stock performance negatively. Despite the company's strong fundamentals, including a low Debt to EBITDA ratio and impressive growth in net sales and profit, the recent price movements indicate that investor sentiment is currently overshadowed by concerns regarding promoter confidence and declining participation.