Why is Aditya AMC falling/rising?

As of 07-Aug, Aditya Birla Sun Life AMC Ltd is experiencing a slight increase in its stock price, currently at 856.15, reflecting a change of 2.55 or 0.3% upward. The stock has shown a trend reversal, gaining after two consecutive days of decline. Despite a decrease in delivery volume by 30.95% against the 5-day average, the stock remains liquid enough for trading. Over the past week, it has outperformed the Sensex, with a return of 0.61% compared to the benchmark's decline of 0.69%. Additionally, the company has demonstrated strong long-term fundamental strength, with a notable average return on equity of 25.98%, and has reported impressive quarterly results, including the highest net sales and profit after tax.
In the broader market context, while the stock has shown a positive return of 5.70% over the past month, the Sensex has declined by 3.38%, indicating that Aditya AMC is performing well relative to the market. The stock's performance over the last year has been particularly strong, with a return of 31.91%, significantly outpacing the benchmark's 1.45% increase. This consistent outperformance over various periods, alongside the majority ownership by promoters, suggests a solid investor confidence in the company's future prospects, contributing to the recent rise in stock price.