Why is Polyplex Corpn falling/rising?

As of 03-Sep, Polyplex Corporation Ltd's stock price is currently at 1,027.85, reflecting an increase of 12.7 or 1.25%. In today's price summary, the stock has outperformed its sector by 0.63%, although it remains 3.49% away from its 52-week low of Rs 992. The stock has shown mixed performance over various periods, with a slight increase of 0.28% over the past week, but a significant decline of 20.76% year-to-date. The company has a low debt-to-equity ratio, which is generally favorable, but it has faced challenges such as a poor long-term growth rate in operating profit, which has decreased by an annual rate of 35.79% over the last five years. Additionally, the stock is trading at a premium compared to its peers, and a concerning 99.94% of promoter shares are pledged, which can add downward pressure in a falling market.
In the broader market context, while Polyplex has outperformed its sector in the short term, it has consistently underperformed against the benchmark, with a return of -15.09% over the past year compared to the Sensex's gain of 3.11%. The stock's performance has been particularly weak over the last three years, with a staggering decline of 52.46% compared to a 37.01% increase in the benchmark. This consistent underperformance, combined with negative quarterly results and high promoter share pledges, suggests that investor sentiment may remain cautious, contributing to the stock's volatility and potential for further declines.