Why is Polymac Thermof. falling/rising?

As of 18-Sep, Polymac Thermoformers Ltd's stock price is currently at 20.31, showing no change (0.00%). The stock has outperformed its sector by 0.65% today, indicating a positive performance relative to its peers. Notably, the stock has experienced erratic trading, having not traded on three days out of the last twenty. However, there has been a rise in investor participation, with a delivery volume of 1.6k on 17 September, which is a 42.86% increase compared to the five-day average. In terms of returns, the stock has shown a 9.72% increase over the past week and a 6.67% increase over the past month, although it has a year-to-date return of 3.36%, which is lower than the benchmark Sensex's 6.24% for the same period.
Broader Market Context: In the short term, Polymac Thermoformers Ltd has significantly outperformed the Sensex, which has only increased by 1.80% over the past week. Despite this positive short-term performance, the stock has underperformed over the longer term, with a one-year return of -1.88% compared to the Sensex's slight gain of 0.08%. Additionally, over three years, the stock has declined by 43.97%, contrasting sharply with the Sensex's growth of 41.08%. This disparity highlights the challenges the company has faced in maintaining consistent performance relative to the broader market.