Why is Menon Pistons falling/rising?

As of 29-Sep, Menon Pistons Ltd is experiencing a decline in its stock price, currently at Rs 63.71, which reflects a decrease of Rs 2.87 or 4.31%. The stock has underperformed its sector by 4.81% today and has been on a downward trend for the last three days, accumulating a total loss of 6.71% during this period. The stock also touched an intraday low of Rs 63.14, indicating significant selling pressure. Additionally, the delivery volume has decreased by 21.84% compared to the 5-day average, suggesting falling investor participation. Over the past year, the stock has declined by 24.67%, contrasting sharply with the Sensex's decline of only 6.08%.
In the broader market context, the stock's short-term performance has been notably worse than the benchmark, with a 1-week return of -4.02% compared to the Sensex's -2.18%. While the stock has shown positive returns over a longer 3-year period at +13.87%, it has significantly lagged behind the Sensex's 42.47% increase. This disparity highlights the stock's recent struggles relative to the overall market, contributing to its current downward trajectory.