Why is Shaily Engineer. falling/rising?

As of 03-Jul, Shaily Engineering Plastics Ltd is experiencing a decline in its stock price, currently at 1,631.00, which reflects a decrease of 9.4 or 0.57%. The stock has underperformed its sector by 0.33% today, and its delivery volume has fallen significantly by 29.15% against the 5-day average, indicating a decrease in investor participation. Over the past week, the stock has decreased by 1.49%, while it has shown a substantial return of 82.04% over the past year, outperforming the benchmark's return of 4.07%. Despite strong fundamentals, including a low Debt to EBITDA ratio and consistent positive operating profit growth, the stock's recent performance is tempered by its high valuation metrics and a PEG ratio of 1.3, suggesting that it may be perceived as expensive relative to its earnings growth.
In the broader market context, the stock's short-term performance has been weaker than the benchmark, which has seen a slight decline of 0.62% over the same week. While Shaily Engineering has demonstrated impressive long-term growth with a 331.48% return over three years, the recent price movement reflects a cautious sentiment among investors, possibly due to the high valuation concerns and reduced trading activity. The stock's liquidity remains adequate, but the falling investor participation may signal a shift in market sentiment that could impact future price movements.