Why is AastamangalamFin falling/rising?

As of 17-Sep, Aastamangalam Finance Ltd's stock price is currently at Rs 42.05, reflecting a decrease of Rs 1.58 or 3.62%. Today's price performance indicates that the stock has underperformed its sector by 3.56%, with an intraday low of Rs 42, which is a decline of 3.74%. The stock has shown a negative trend over the past week, with a 1-week return of -9.18%, and a year-to-date decline of -6.97%. Despite positive financial results over the last seven quarters, including a 39.09% growth in PAT and a significant increase in net sales, the stock's recent performance has been hindered by falling investor participation, as evidenced by a 12.99% drop in delivery volume compared to the 5-day average.
In the broader market context, Aastamangalam Finance Ltd's short-term performance contrasts sharply with the Sensex, which has gained 1.56% over the past week. While the stock has outperformed the benchmark over the longer term, with a 17.12% return over the past year, the recent declines suggest that investor sentiment may be shifting negatively despite the company's strong fundamentals and attractive valuation metrics. The stock's liquidity remains adequate for trading, but the recent underperformance relative to both the sector and the benchmark indicates that market conditions may be affecting investor confidence.