Why is Diffusion Eng falling/rising?

As of 23-Sep, Diffusion Engineers Ltd is currently priced at Rs 384.50, reflecting a decline of Rs 11.3 or 2.85%. The stock has been underperforming, having fallen for the last two days with a total decline of 2.95% during this period. Additionally, the stock's performance today has underperformed its sector by 3.31%. The stock has also experienced a significant drop in delivery volume, which fell by 41.98% against the 5-day average, indicating reduced investor participation. While the stock has shown a positive return of 11.56% over the past month and 15.88% year-to-date, it is currently trading lower than its 5-day moving average, suggesting a short-term weakness.
Broader market context shows that the Sensex has only declined by 0.34% over the past week, indicating that the stock's short-term performance is not aligned with the broader market trend. Despite the stock's positive returns over longer periods, such as 11.56% in the last month and 15.88% year-to-date, the recent downturn suggests that specific factors affecting Diffusion Engineers Ltd are leading to its decline, contrasting with the relatively stable performance of the benchmark index.