Why is Global Health falling/rising?

As of 10-Sep, Global Health Ltd is experiencing a decline in its stock price, currently at 1,366.70, reflecting a decrease of 10.3 points or 0.75%. The stock has underperformed its sector by 2.27% today and has been on a consecutive downward trend for the last five days, resulting in a total decline of 4% during this period. Despite a strong year-to-date return of 26.19% and a one-year return of 21.27%, the stock's recent performance has been negatively impacted by falling investor participation, with delivery volume decreasing by 23.36% compared to the five-day average. While the company boasts high management efficiency and a low debt-to-equity ratio, its valuation appears expensive relative to peers, which may be contributing to the current price decline. In the broader market context, the stock's short-term performance has been notably weaker than the benchmark, with the Sensex gaining 1.06% over the past week while Global Health has lost 4%. This underperformance is compounded by the overall market's negative returns of -2.89% in the last year, contrasting with the stock's positive returns. Although the company has demonstrated healthy long-term growth and high institutional holdings, the recent price drop suggests that investor sentiment may be cautious due to its high valuation metrics and declining trading activity.