Why is ZF Commercial falling/rising?

As of 18-Jul, ZF Commercial Vehicle Control System India Ltd is experiencing a decline in its stock price, currently at 13,080.00, reflecting a decrease of 183.0 points or 1.38%. The stock has underperformed its sector by 0.29% today, and while it is above its 5-day, 100-day, and 200-day moving averages, it is below its 20-day and 50-day moving averages. The stock's performance over the past week shows a modest increase of 1.14%, but it has declined by 1.94% over the past month and has a significant drop of 17.31% over the past year. Additionally, there has been a notable decrease in investor participation, with delivery volume falling by 50.3% compared to the 5-day average. Despite these challenges, the company maintains a low debt-to-equity ratio and has shown healthy long-term growth, with operating profit increasing at an annual rate of 46.83%.
In the broader market context, the stock's recent performance contrasts with the benchmark Sensex, which has seen a slight decline of 0.90% over the past week. While ZF Commercial has outperformed the Sensex year-to-date with an increase of 8.70% compared to the benchmark's 4.63%, its longer-term performance shows a stark difference, with a 1-year decline of 17.31% against the Sensex's modest gain of 0.51%. The high institutional holdings at 28.9% suggest that more knowledgeable investors are backing the company, which could provide some stability; however, the recent drop in delivery volumes and underperformance in the short term indicate that market sentiment may be cautious.