Why is HCP Plastene falling/rising?

As of 11-Sep, HCP Plastene Bulkpack Ltd's stock price is currently at Rs 162.00, reflecting a decrease of Rs 4.25 or 2.56%. The stock has underperformed its sector by 2.74% today, with an intraday high of Rs 172.45 and a low of Rs 158. The weighted average price indicates that more volume was traded closer to the low price, suggesting bearish sentiment among investors. Additionally, the stock has seen a significant decline in delivery volume, falling by 79.14% compared to the 5-day average, which may indicate reduced investor interest. Over the past week, the stock has declined by 1.82%, and it has experienced a substantial drop of 16.06% over the past month.
In the broader market context, the Sensex has increased by 1.03% over the past week and 1.17% over the past month, contrasting sharply with HCP Plastene's negative returns. Year-to-date, the stock has gained 5.88%, which is higher than the Sensex's 4.36% gain, but the longer-term performance is concerning, with a 61.59% decline over the past three years compared to the Sensex's 36.38% increase. This disparity highlights the stock's struggles relative to the broader market, contributing to its recent price decline.