Why is Vijaya Diagnost. falling/rising?

As of 17-Sep, Vijaya Diagnostic Centre Ltd's stock price is currently at 1,049.90, reflecting a decrease of 1.4 points or 0.13%. Today's price summary indicates that the stock underperformed its sector by 0.33% and has experienced a trend reversal, falling after two consecutive days of gains. Although the stock opened with a gain of 2.73% and reached an intraday high of Rs 1,079.95, it has shown a decline in delivery volume, which fell by 15.13% compared to the 5-day average. Over the past week and month, the stock has also underperformed against the benchmark, with returns of -0.24% and -0.34% respectively, while it has generated a positive return of 15.70% over the past year, significantly outperforming the BSE500 index during that period.
In the broader market context, the stock's recent performance contrasts with the Sensex, which has gained 1.56% over the past week and 2.60% over the past month. Despite the current decline, Vijaya Diagnostic Centre Ltd benefits from high management efficiency, a low debt-to-equity ratio, and strong institutional holdings, which have increased by 0.55% over the previous quarter. These factors suggest that while the stock is facing short-term challenges, its long-term fundamentals remain strong, contributing to its consistent returns over the last three years.