Why is Jamna Auto Inds. falling/rising?

As of 24-Jul, Jamna Auto Industries Ltd is experiencing a decline in its stock price, currently at 95.30, reflecting a decrease of 1.24 points or 1.28%. The stock has underperformed its sector by 2.21% today and has seen a trend reversal after three consecutive days of gains. Additionally, the stock's performance over the past week shows a decline of 1.66%, while it has increased by 6.02% over the past month. Despite a high management efficiency indicated by a return on equity (ROE) of 19.10% and a low debt-to-equity ratio, the stock has faced challenges, including a significant drop in delivery volume by 50.22% compared to the five-day average, and a year-to-date return of -2.66%.
In the broader market context, the Sensex has shown a slight decline of 0.09% over the past week, contrasting with Jamna Auto's more pronounced drop. While the stock has performed poorly over the past year with a return of -25.60%, the benchmark has gained 2.54% in the same period. This underperformance relative to the benchmark, combined with falling investor participation and a recent trend reversal, suggests that market sentiment may be shifting negatively for Jamna Auto Industries Ltd.