Why is Plastiblends (I) falling/rising?

As of 18-Sep, Plastiblends India Ltd is experiencing a decline in its stock price, currently at 193.85, which reflects a decrease of 1.9 or 0.97%. The stock has underperformed its sector by 0.32% today. Although the stock is trading higher than its 20-day moving average, it remains below the 5-day, 50-day, 100-day, and 200-day moving averages. Additionally, there has been a notable increase in investor participation, with delivery volume rising by 90.5% against the 5-day average. However, the stock has shown poor performance over the longer term, with a year-to-date decline of 20.06% and a one-year decline of 38.95%, indicating significant challenges.
In the broader market context, the Sensex has performed positively, gaining 1.80% over the past week and 2.14% over the past month, contrasting sharply with Plastiblends' recent performance. The stock's year-to-date performance is significantly lagging behind the benchmark, which has increased by 6.24% during the same period. This disparity suggests that while the overall market is experiencing growth, Plastiblends is struggling to keep pace, contributing to its declining stock price.