Why is Sumitomo Chemi. falling/rising?

As of 01-Jul, Sumitomo Chemical India Ltd is experiencing a decline in its stock price, currently at Rs 519.10, which reflects a decrease of Rs 10.6 or 2.0%. Today's price summary indicates that the stock has underperformed its sector by 0.72% and has fallen after three consecutive days of gains. The stock touched an intraday low of Rs 514.95, marking a 2.78% drop. Additionally, the stock's performance over the past week shows a slight decline of 0.09%, while it has gained 2.75% over the past month. However, the stock's year-to-date performance is down 2.97%, contrasting with a 7.11% increase in the benchmark index. Despite a high management efficiency reflected in a return on equity (ROE) of 19.61% and increased institutional investor participation, the stock faces challenges due to poor long-term growth, with net sales growing at only 5.37% annually over the last five years.
In the broader market context, the stock's recent performance has lagged behind the Sensex, which has increased by 2.00% over the past week. The company's flat results for the quarter ending March 25, including significant declines in profit before tax and net sales, have contributed to negative sentiment among investors. Furthermore, the stock's valuation appears expensive relative to its peers, with a price-to-book value of 8.9, which may deter potential buyers. The decline in delivery volume by 17.71% against the five-day average also indicates falling investor participation, suggesting a cautious outlook among market participants.