Why is Man Industries falling/rising?

As of 16-Sep, Man Industries (India) Ltd is experiencing a decline in its stock price, currently at 413.60, which reflects a decrease of 3.55 or 0.85%. Today's price summary indicates that the stock has underperformed its sector by 1.51% and has shown a trend reversal after two consecutive days of gains. The stock's performance over the past week is down by 0.65%, while it has gained 4.33% over the past month. Despite a strong long-term performance, with a 360.32% increase over three years and a 26.41% year-to-date return, recent financial metrics show concerning trends. The company's net sales and profit after tax have fallen significantly compared to previous quarters, which, combined with a high valuation relative to peers, may be contributing to the current price decline.
In the broader market context, the stock's recent performance contrasts with the Sensex, which has increased by 1.58% over the past week. This underperformance may reflect investor sentiment regarding the company's long-term growth prospects, particularly given the low debt-to-equity ratio and consistent returns over the past three years. However, the recent drop in delivery volume and the stock trading at a premium compared to historical valuations suggest that investors may be cautious. Overall, while the stock has shown strong historical returns, the recent financial downturns and market conditions appear to be influencing its current price movement negatively.