Why is Sumitomo Chemi. falling/rising?

As of 17-Jul, Sumitomo Chemical India Ltd is experiencing a price increase, currently at 594.80, reflecting a rise of 9.05 or 1.55%. The stock has shown strong performance today, outperforming its sector by 1.3% and achieving consecutive gains over the last three days, accumulating a total return of 9.74% during this period. Additionally, the stock is trading above its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages, indicating a positive trend. The company also benefits from high management efficiency, evidenced by a return on equity (ROE) of 19.61%, and a low debt-to-equity ratio, which supports its financial stability. However, concerns about long-term growth persist, as net sales have only grown at an annual rate of 5.37% over the last five years, and recent quarterly results indicate declines in profit before tax and net sales compared to previous averages.
In the broader market context, Sumitomo Chemical has significantly outperformed the benchmark Sensex, with a 1-week return of 10.52% compared to the Sensex's decline of 1.12%. Over the past month, the stock has risen by 19.33%, while the Sensex has only increased by 0.83%. This strong performance relative to the market suggests that investor sentiment is favorable towards Sumitomo Chemical, likely driven by its recent gains and efficient management. Despite the positive short-term performance, the stock's valuation remains a concern, as it trades at a premium compared to its peers, which may affect its long-term appeal.