Why is Guj Apollo Inds falling/rising?

As of 18-Sep, Gujarat Apollo Industries Ltd is experiencing a decline in its stock price, currently at Rs 475.00, which reflects a decrease of Rs 10.9 or 2.24%. The stock has underperformed its sector by 2.05% today and has been on a downward trend for the last two days, accumulating a total decline of 4.02%. The stock touched an intraday low of Rs 473.15, indicating a significant drop. Additionally, the delivery volume has decreased by 7.29% compared to the 5-day average, suggesting falling investor participation. While the stock has shown strong performance year-to-date with a 46.33% increase, it has underperformed in the short term, with a 1-week return of -0.50% and a 1-month return of -2.04%.
In the broader market context, the Sensex has gained 1.80% over the past week and 2.14% over the past month, contrasting with Gujarat Apollo's recent declines. This indicates that while the overall market is experiencing upward momentum, Gujarat Apollo is lagging behind. The stock's performance over longer periods remains strong, with a 3-year return of 113.72%, but the recent short-term trends suggest a divergence from the broader market's positive trajectory.