Why is T N Merc. Bank falling/rising?

As of 15-Sep, Tamilnad Mercantile Bank Ltd's stock price is currently at 432.00, reflecting a slight decrease of 0.1, or 0.02%. The stock has shown a mixed performance recently, with a 1-week return of +1.53% and a 1-month return of +0.81%, indicating some short-term strength. However, it has underperformed over the longer term, with a year-to-date return of -4.53% and a 1-year return of -9.72%. Today's price summary indicates that the stock is performing in line with its sector, but it is trading below its 50-day, 100-day, and 200-day moving averages, suggesting a potential weakness in momentum. Additionally, there has been a significant drop in investor participation, with delivery volume falling by 43.22% against the 5-day average, which may indicate waning interest among investors. Despite a high Capital Adequacy Ratio of 25.68% and a favorable Price to Book Value of 0.7, the stock's recent performance has been hindered by flat results in the latest quarter and low domestic mutual fund ownership, which may signal a lack of confidence in the stock's valuation. In the broader market context, Tamilnad Mercantile Bank's short-term performance has outpaced the Sensex, which has returned +1.24% over the past week. However, the stock's longer-term performance has been disappointing, with a significant underperformance compared to the benchmark indices over the past year and three years. This underperformance, coupled with the company's flat operating results and high reliance on non-operating income, raises concerns about its future growth prospects. The combination of these factors suggests that while there may be some short-term gains, the overall sentiment around the stock remains cautious, contributing to its current price decline.