Why is Sumitomo Chemi. falling/rising?

As of 05-Sep, Sumitomo Chemical India Ltd's stock price is currently at Rs 570.75, reflecting a decline of Rs 10.75 or 1.85%. The stock has been underperforming, having fallen consecutively over the last two days, resulting in a total decrease of 3.17%. Today's trading saw the stock touch an intraday low of Rs 568, and it has underperformed its sector by 1.21%. Over the past week, the stock has gained 1.81%, but it has experienced a significant drop of 9.69% over the past month. Despite a strong performance year-to-date with a 6.68% increase, the stock's recent movements are influenced by falling investor participation, as evidenced by a 46.39% decline in delivery volume compared to the five-day average.
In the broader market context, the stock's recent performance contrasts with the Sensex, which has shown a modest increase of 1.13% over the past week. While Sumitomo Chemical has outperformed the market over the past year with a return of 10.40%, concerns about its long-term growth prospects are evident, as net sales and operating profit growth have been relatively low. The stock's high valuation, indicated by a Price to Book Value of 9.8, further complicates its attractiveness, especially given the market's overall negative return of -4.41% in the last year. These factors contribute to the stock's current downward trend, despite its strong management efficiency and positive recent financial results.