Why is Citichem India falling/rising?

As of 10-Sep, Citichem India Ltd's stock price is currently at 28.50, reflecting a decline of 0.5, or 1.72%. The stock has been underperforming, having fallen consecutively for the last two days with a total decline of 2.56%. Additionally, it has underperformed its sector by 2.3% today. The stock's performance over the past week shows a decrease of 3.85%, while it has gained 9.62% over the past month. However, the delivery volume has significantly decreased by 73.68% compared to the 5-day average, indicating falling investor participation. There is no information available regarding positive or negative factors that could further explain the stock's recent movement.
Broader Market Context: In comparison to the benchmark Sensex, which has increased by 1.06% over the past week, Citichem India Ltd's short-term performance has been notably weaker. While the Sensex has shown a modest gain of 1.96% over the past month, Citichem's stock has managed a more substantial increase of 9.62% in the same timeframe, suggesting that despite its current decline, it had previously outperformed the benchmark. However, the recent trend of falling prices and decreasing investor engagement may indicate a shift in market sentiment towards the stock.