Why is Aditya AMC falling/rising?

As of 28-Oct, Aditya Birla Sun Life AMC Ltd is experiencing a decline in its stock price, currently at 808.20, reflecting a decrease of 10.0 points or 1.22%. The stock has underperformed its sector today by 0.96% and has been on a consecutive downward trend for the last four days, resulting in a total decline of 7.14% over that period. Although the stock is trading higher than its 200-day moving average, it remains below its 5-day, 20-day, 50-day, and 100-day moving averages. Despite strong long-term fundamentals, including a robust average Return on Equity (ROE) of 20.42% and positive operational cash flow results, the stock's recent performance has been hindered by a high Price to Book Value ratio compared to its peers, leading to a fair valuation perception.
In the broader market context, the stock's short-term performance has been notably weaker than the benchmark Sensex, which has gained 0.24% over the past week while Aditya Birla Sun Life AMC Ltd has lost 7.14%. Over the past month, the stock has shown a positive return of 3.90%, but this is still significantly lower than the Sensex's 5.22% increase. The stock's liquidity remains adequate, with a delivery volume increase of 106.99% against the 5-day average, indicating rising investor participation despite the recent price decline. Overall, while the company has demonstrated strong fundamentals and long-term growth potential, the current market sentiment and short-term performance have contributed to the stock's downward movement.