Why is Aditya AMC falling/rising?

As of 17-Sep, Aditya Birla Sun Life AMC Ltd's stock price is currently at 820.85, reflecting a decrease of 21.15 points or 2.51%. Today's performance indicates that the stock has underperformed its sector by 2.45%, with an intraday low of Rs 812.5, marking a decline of 3.5%. The stock has shown a negative trend over the past week and month, with returns of -5.46% and -4.02%, respectively. Despite a strong long-term fundamental strength indicated by an average Return on Equity (ROE) of 25.98% and positive quarterly results, the recent price movement suggests a struggle against broader market pressures.
In the broader market context, the stock's short-term performance contrasts sharply with the Sensex, which has gained 1.56% over the past week and 2.60% over the past month. While Aditya Birla Sun Life AMC has outperformed the BSE500 in the long term, the recent downturn reflects a lack of momentum in the short term, as evidenced by the stock's lower performance relative to the benchmark. The rising investor participation, indicated by an increase in delivery volume, may provide some support, but the overall market conditions and recent price trends suggest a challenging environment for the stock at this time.