Why is Astrazeneca Phar falling/rising?

As of 20-Jun, Astrazeneca Pharma India Ltd's stock price is currently at 8,883.00, reflecting a decline of 539.95 points or 5.73%. The stock has been on a downward trend, having underperformed its sector by 6.34% today and experiencing a consecutive fall for the last five days, resulting in a total decline of 15.6% over that period. The stock opened with a loss of 4.39% and reached an intraday low of Rs 8,811, indicating significant selling pressure. Despite positive financial results in recent quarters, including a net profit growth of 88.82% and high management efficiency, the stock is facing challenges such as a high valuation and falling participation from institutional investors, which may be contributing to its recent price drop.
In the broader market context, Astrazeneca's short-term performance has significantly lagged behind the benchmark, with a 1-week return of -15.60% compared to the Sensex's gain of 1.59%. While the stock has shown strong long-term performance with a year-to-date increase of 21.11% and a 39.34% rise over the past year, the recent decline suggests that investor sentiment may be shifting due to concerns over valuation and reduced institutional interest. This contrast between the stock's historical performance and its current struggles highlights the complexities of market dynamics affecting Astrazeneca Pharma India Ltd.