Why is HLE Glascoat falling/rising?

As of 11-Nov, HLE Glascoat Ltd is experiencing a decline in its stock price, currently at 505.05, which reflects a decrease of 81.4 points or 13.88%. Today's trading has been particularly challenging, as the stock opened with a significant loss of 15.47% and reached an intraday low of Rs 474.35, marking a drop of 19.12%. The stock has underperformed its sector by 13.47% today, and the trading volume has shown a notable decrease, with delivery volume falling by 33.13% compared to the 5-day average. Despite a strong performance over the past year, with a return of 37.71%, the stock has faced volatility and a wide trading range of Rs 63.4 today, indicating investor uncertainty.
In the broader market context, the stock's recent performance contrasts sharply with the Sensex, which has gained 0.49% over the past week. While HLE Glascoat has shown strong long-term growth, including a 36.76% increase year-to-date, its short-term performance has been disappointing, particularly in the last week with a decline of 19.03%. The company has reported positive financial results in recent quarters, including significant growth in profit after tax and net sales, which suggests underlying strength. However, the current decline may reflect market reactions to the recent volatility and reduced investor participation, overshadowing its otherwise strong fundamentals.