Why is Epack Durable falling/rising?

As of 18-Aug, Epack Durable Ltd is experiencing a price increase, currently at Rs 376.50, reflecting a rise of Rs 12.5 or 3.43%. Today, the stock opened with a significant gain of 6.47% and reached an intraday high of Rs 396.55, which is an 8.94% increase. However, despite this positive movement, the stock has underperformed its sector by 2.81%. Over the past week, the stock has seen a decline of 0.55%, and its year-to-date performance shows a substantial drop of 31.63%. On a positive note, the company has demonstrated healthy long-term growth with a net sales increase of 33.30% annually, and its recent quarterly results indicate strong growth in profit before tax and net sales. In the broader market context, while the Sensex has gained 0.83% over the past week, Epack Durable's short-term performance has lagged behind this benchmark. The stock has generated impressive returns of 61.59% over the past year, significantly outperforming the BSE500, which has seen negative returns of -1.14%. However, concerns regarding management efficiency, indicated by a low return on capital employed (ROCE) of 8.32%, and a decrease in institutional investor participation may weigh on investor sentiment. The stock's valuation appears expensive with a PEG ratio of 1.1, suggesting that while the stock has performed well recently, underlying fundamentals may raise caution among investors.