Why is Fortis Malar falling/rising?

As of 19-Sep, Fortis Malar Hospitals Ltd is currently priced at 65.10, reflecting a decrease of 0.47, or 0.72%. The stock has been underperforming, having fallen for the last two days with a total decline of 1.93%. It is trading below its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages, indicating a bearish trend. Additionally, investor participation has decreased significantly, with delivery volume dropping by 36.05% compared to the 5-day average. Over the past week, the stock has declined by 1.06%, and over the past month, it has seen a more substantial drop of 6.20%. Unfortunately, there is no information available regarding positive or negative factors impacting the stock.
In the broader market context, the Sensex has gained 0.88% over the past week and 1.20% over the past month, contrasting sharply with Fortis Malar's negative returns during the same periods. Year-to-date, Fortis Malar has outperformed the Sensex, with a gain of 6.72% compared to the benchmark's 5.74%. However, over the longer term, the stock has underperformed significantly, with a 3-year return of -3.13% compared to the Sensex's impressive 39.71%. This disparity highlights the stock's recent struggles against the broader market trends.