Why is Styrenix Perfor. falling/rising?

As of 29-Jul, Styrenix Performance Materials Ltd is experiencing a decline in its stock price, currently at 2,904.30, which represents a decrease of 6.7 points or 0.23%. The stock has been underperforming, having lost 8.67% over the last four consecutive days. In terms of returns, the stock has fallen 7.51% over the past week and 8.81% over the past month, while it has generated a modest return of 0.04% year-to-date and 8.78% over the past year. Despite its strong long-term fundamentals, including a high return on equity and significant operating profit growth, the stock is facing pressure due to its high valuation compared to peers and recent performance trends. In the broader market context, the stock's short-term performance has significantly lagged behind the Sensex, which has only declined by 1.03% over the past week and 3.24% over the past month. This underperformance is notable given that the stock has consistently generated positive returns over the last three years, outperforming the BSE500. However, the recent price movement reflects investor concerns about its expensive valuation and the stock trading at a premium compared to historical averages, which may be contributing to the current downward trend.