Why is Menon Pistons falling/rising?

As of 13-Aug, Menon Pistons Ltd is experiencing a slight decline in its stock price, currently at 64.19, reflecting a decrease of 0.01 or -0.02%. The stock has been underperforming, having fallen consecutively for the last four days, resulting in a total decline of 1.97% during this period. Additionally, the stock's performance today is noted to be 1.64% lower than its sector, and the delivery volume has significantly decreased by 59.01% compared to the 5-day average, indicating falling investor participation. Over the past year, the stock has seen a substantial decline of 26.22%, contrasting with a modest increase of 2.01% in the benchmark index, the Sensex.
In the broader market context, while Menon Pistons has shown a positive return of 5.23% over the past month, it has lagged behind the Sensex, which has decreased by 2.38% during the same timeframe. Year-to-date, Menon Pistons has underperformed significantly, with a decline of 10.40% compared to the Sensex's gain of 3.07%. The stock's long-term performance, however, remains strong with a 427.44% increase over the past five years, outperforming the benchmark's 110.23% increase. This mixed performance suggests that while there are periods of growth, recent trends indicate challenges that are affecting investor confidence and participation.