Why is Shriram Pistons falling/rising?

As of 19-Nov, Shriram Pistons & Rings Ltd is currently priced at Rs 2,729.70, reflecting a slight increase of 5.35 (0.2%). The stock has been gaining for the last four days, with a total return of 1.48% during this period. It is trading close to its 52-week high, just 2.21% away from Rs 2,790. However, it has underperformed its sector by 2.09% today. The stock is trading above all its moving averages, indicating a positive trend. Additionally, the company demonstrates high management efficiency with a return on equity (ROE) of 19.01% and a low debt-to-equity ratio, which supports its healthy long-term growth, as evidenced by an impressive annual operating profit growth rate of 142.95%.
In the broader market context, Shriram Pistons has outperformed the benchmark Sensex over the past week and month, with returns of 1.14% and 1.72%, respectively, compared to the Sensex's 0.85% and 1.47%. Despite this positive performance, there is a noted decline in investor participation, with delivery volume falling by 23.25% against the five-day average. This decrease in trading activity could be a concern for future price movements. Overall, while the stock shows strong fundamentals and recent gains, the drop in investor participation may temper its upward momentum in the near term.