Why is Apar Inds. falling/rising?

As of 19-Sep, Apar Industries Ltd is experiencing a decline in its stock price, currently at Rs 8,900.00, reflecting a decrease of Rs 59.75 or 0.67%. Today's performance indicates that the stock has underperformed its sector by 0.87% and has fallen after three consecutive days of gains, touching an intraday low of Rs 8,700.05, which is a 2.9% drop. Despite this recent downturn, the stock has shown positive returns over the past week and month, with increases of 3.44% and 5.70%, respectively. The company benefits from strong long-term fundamentals, including a low debt-to-equity ratio and significant growth in net sales and operating profit. However, the recent drop in delivery volume by 57.2% against the five-day average suggests a decrease in investor participation, which could be contributing to the current price decline.
In the broader market context, Apar Industries Ltd's short-term performance has outpaced the benchmark Sensex, which has only increased by 0.88% over the past week. However, the stock's year-to-date performance is notably poor, with a decline of 13.67%, contrasting with the Sensex's gain of 5.74%. This disparity highlights the challenges faced by Apar Industries in maintaining investor confidence despite its strong fundamentals and high institutional holdings of 30.86%. The stock's current valuation, while fair compared to its peers, may not be sufficient to offset the negative sentiment reflected in its recent price movements.