Why is Polymac Thermof. falling/rising?

As of 11-Aug, Polymac Thermoformers Ltd's stock price is rising, currently at Rs 15.02, reflecting an increase of 1.36 or 9.96%. The stock opened with a significant gain of 9.96% today and has maintained this price level throughout the trading session. Despite the positive movement today, the stock has shown a year-to-date decline of 23.56% and a substantial drop of 61.49% over the past year. Additionally, the stock has been erratic in trading, not trading on 5 out of the last 20 days, and there has been a notable decrease in delivery volume, which fell by 44.44% against the 5-day average. Unfortunately, there is no information available regarding positive or negative factors that could further explain the stock's recent movement.
In the broader market context, the stock has outperformed the sector by 8.25% today, which is a positive indicator amidst a challenging environment. Over the past month, Polymac Thermoformers Ltd has shown a return of 15.45%, contrasting with the Sensex's decline of 2.30% during the same period. However, the stock's longer-term performance remains concerning, with a significant underperformance compared to the Sensex over the year and three years. This suggests that while there may be short-term gains, the overall trend for the stock remains negative when viewed in a broader context.