Why is Global Health falling/rising?

As of 22-Aug, Global Health Ltd's stock price is currently at 1,383.15, reflecting a decline of 8.65 points or 0.62%. The stock has experienced a trend reversal, falling after three consecutive days of gains. Despite this recent drop, it is trading above its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages, indicating a generally positive trend. Over the past week, the stock has increased by 0.59%, and it has shown impressive returns of 27.71% year-to-date and 28.45% over the past year, significantly outperforming the broader market. The company benefits from high management efficiency, a low debt-to-equity ratio, and strong institutional holdings, which contribute to its favorable outlook. However, the stock is considered very expensive with a high price-to-book value and a PEG ratio of 3.5, suggesting that its valuation may be a concern for some investors.
In the broader market context, the Sensex has increased by 0.88% over the past week, while Global Health's performance has been slightly below this benchmark. The stock has outperformed the market over the last month, gaining 7.22% compared to the Sensex's decline of 1.07%. Despite the recent price drop, the stock's liquidity remains strong, with a notable increase in delivery volume, indicating rising investor participation. Overall, while Global Health has shown robust long-term growth and market-beating performance, its recent decline may be attributed to profit-taking after a strong rally and concerns over its high valuation relative to its earnings growth.