Why is Solar Industries falling/rising?

As of 26-Aug, Solar Industries India Ltd's stock price is currently at Rs 14,150.00, reflecting a decline of Rs 475.6 or 3.25%. The stock has underperformed its sector by 1.38% today and has experienced a consecutive fall over the last two days, resulting in a total decline of 4.52%. The stock's performance over the past week shows a decrease of 3.72%, while it has also fallen by 2.47% over the last month. Despite these short-term declines, the company has demonstrated strong long-term fundamentals, including a robust average Return on Capital Employed (ROCE) of 30% and consistent growth in net sales and operating profit. However, the stock's valuation appears expensive with a Price to Book Value of 29.2, which may be contributing to investor caution.
In the broader market context, the stock's recent performance contrasts with the benchmark Sensex, which has only declined by 1.05% over the past week. This indicates that while the stock is facing specific challenges, the overall market is not experiencing as severe a downturn. The falling investor participation, evidenced by a 35.07% drop in delivery volume compared to the 5-day average, suggests a lack of confidence among investors, which could be exacerbating the stock's decline. Despite its strong institutional holdings and historical performance, the current market sentiment appears to be weighing heavily on Solar Industries' stock price.