Why is Blue Jet Health falling/rising?

As of 20-Aug, Blue Jet Healthcare Ltd's stock price is currently at 777.10, reflecting a decrease of 4.3 points or 0.55%. The stock has underperformed its sector today by 4.36%, and its delivery volume has significantly dropped by 59.58% compared to the 5-day average, indicating falling investor participation. Over the past week, the stock has declined by 1.78%, and it has experienced a substantial 23.21% drop over the last month, despite a strong year-to-date return of 36.95% and a remarkable 64.38% increase over the past year. The company has demonstrated strong long-term fundamentals, with a healthy growth rate in net sales and operating profit, but it is currently facing a very expensive valuation and declining interest from institutional investors, which may contribute to the recent price decline. In the broader market context, the Sensex has gained 1.64% over the past week and has shown a modest increase of 0.12% in the last month, contrasting sharply with Blue Jet's negative performance in the same periods. While the medical equipment sector has seen a gain of 3.59%, Blue Jet's stock has not followed this trend, suggesting that broader market conditions are favoring other companies in the sector. The decline in institutional investor participation, which has decreased their stake by 0.71%, may also reflect a lack of confidence in the stock's current valuation and future prospects, further exacerbating its price decline.