Why is Vishnu Chemicals falling/rising?

As of 29-Aug, Vishnu Chemicals Ltd is experiencing a decline in its stock price, currently at 491.15, which reflects a decrease of 4.45 (-0.9%). The stock has underperformed its sector by 0.45% today and has been on a consecutive fall for the last four days, resulting in a total decline of 4.83% over that period. Despite its strong long-term performance, with a year-to-date return of 23.53% and a one-year return of 21.27%, the stock's recent movement is negatively impacted by falling investor participation, as evidenced by a significant drop in delivery volume by 79.46% against the five-day average. Additionally, while the stock maintains a high management efficiency with a return on capital employed (ROCE) of 18.45%, the current market conditions and recent price movements suggest a cautious sentiment among investors.
In the broader market context, Vishnu Chemicals has outperformed the benchmark Sensex over the past year, which has seen a decline of 2.83%. However, the stock's short-term performance has been less favorable, with a 4.83% drop over the past week compared to the Sensex's decline of only 1.84%. This indicates that while the stock has shown resilience in the long term, it is currently facing challenges that are leading to a downward trend in the short term. The recent increase in institutional investor participation, who now hold 8.16% of the company, may provide some support, but the overall market sentiment appears to be weighing down the stock's performance.