Why is Sumitomo Chemi. falling/rising?

As of 05-Aug, Sumitomo Chemical India Ltd is experiencing a decline in its stock price, currently at 626.65, down by 10.65 points or 1.67%. Despite this drop, the stock has shown strong performance over the past week and month, with returns of 3.56% and 17.01%, respectively. The stock is trading above its moving averages across various time frames, indicating a generally positive trend. Additionally, there has been a significant increase in investor participation, with delivery volume rising by 73.81% compared to the 5-day average. However, the stock underperformed its sector by 2.05% today. While the company boasts high management efficiency and a low debt-to-equity ratio, concerns about its long-term growth and high valuation relative to peers may be contributing to the recent price decline.
In the broader market context, Sumitomo Chemical's recent performance contrasts with the Sensex, which has seen a decline of 0.77% over the past week. The stock's year-to-date return of 17.13% also outpaces the Sensex's gain of 3.29%, reflecting its market-beating performance over the past year. However, the stock's high valuation, indicated by a Price to Book Value of 10.9 and a PEG ratio of 2, suggests that it may be trading at a premium compared to its peers, which could be a factor in the current price movement. Overall, while the stock has shown strong returns in the short term, the combination of high valuation and concerns about growth may be influencing its recent decline.