Why is Sundaram Finance falling/rising?

As of 10-Jul, Sundaram Finance Ltd is experiencing a price increase, currently at 5,077.80, reflecting a rise of 54.0 or 1.07%. The stock has shown strong performance today, outperforming its sector by 0.94%. It is trading higher than its 20-day, 50-day, 100-day, and 200-day moving averages, although it is lower than its 5-day moving average. Notably, there has been a significant increase in investor participation, with delivery volume rising by 127.8% against the 5-day average. Over the past year, the stock has generated a return of 11.11%, and it has consistently outperformed the BSE500 over the last three years, with a remarkable 170.40% return over that period. The company has strong fundamentals, evidenced by a high return on equity of 13.90%, and positive quarterly results, including the highest profit after tax and net sales recorded.
In the broader market context, the stock's performance over the past week shows a decline of 1.08%, while the benchmark Sensex has only decreased by 0.06%, indicating that Sundaram Finance has underperformed in the short term relative to the benchmark. However, over the longer term, the stock has significantly outperformed the Sensex, with a year-to-date return of 22.21% compared to the benchmark's 6.46%. The high institutional holdings at 26.54% suggest that knowledgeable investors are confident in the company's fundamentals, which may contribute to the stock's resilience and upward movement despite recent short-term fluctuations.