Why is I O B falling/rising?

As of 11-Sep, Indian Overseas Bank's stock price is currently at 39.50, reflecting a decrease of 0.06 or 0.15%. The stock has underperformed its sector by 0.66% today and has experienced a trend reversal, falling after four consecutive days of gains. Despite this recent decline, the stock has shown a positive performance over the past week and month, with returns of 4.08% and 9.69%, respectively. The company boasts strong lending practices, evidenced by a low Gross NPA ratio of 1.97%, and has demonstrated robust long-term growth with a CAGR of 19.82% in net profits. Additionally, the company has reported positive results for the last 22 consecutive quarters, which supports its fundamental strength.
In the broader market context, the stock's recent performance contrasts with the benchmark Sensex, which has only increased by 1.03% over the past week and 1.17% over the past month. While the stock has shown impressive long-term growth, with a 3-year return of 110.67% and a 5-year return of 288.02%, its year-to-date performance remains negative at -23.52%, indicating a significant lag compared to the Sensex's 4.36% gain. The rising investor participation, with a delivery volume increase of 44.12% against the 5-day average, suggests that there is still interest in the stock despite its recent decline.