Why is Fortis Malar falling/rising?

As of 10-Sep, Fortis Malar Hospitals Ltd is currently priced at 68.60, reflecting a decrease of 0.25, or 0.36%. The stock has underperformed its sector today by 1.88% and has experienced a consecutive decline over the last two days, resulting in a total drop of 0.42% during this period. Despite this recent downturn, the stock has shown a year-to-date increase of 12.46%, significantly outperforming the Sensex, which has only risen by 4.21% in the same timeframe. Additionally, the stock's delivery volume has increased by 73.06% compared to the 5-day average, indicating rising investor participation. However, it is important to note that there is no available information regarding positive or negative factors that could further explain the stock's recent movement.
Broader Market Context: In the short term, the stock's performance over the past week shows a gain of 0.88%, while the Sensex has increased by 1.06%. This indicates that Fortis Malar has slightly lagged behind the benchmark index in the recent week. Over the past month, the stock has only marginally increased by 0.03%, compared to the Sensex's more robust gain of 1.96%. The stock's performance over longer periods, such as the last three years, shows a gain of 9.32%, which is significantly lower than the Sensex's 36.18% increase, suggesting that while the stock has had some positive performance, it has not kept pace with the broader market trends.