Why is Varroc Engineer falling/rising?

As of 08-Aug, Varroc Engineering Ltd's stock price is currently at 511.25, reflecting a decline of 43.45 points or 7.83%. The stock has shown significant volatility today, trading within a wide range of Rs 62.15, with a day's high of Rs 569 and a low of Rs 506.85. It has underperformed its sector by 6.43% today, and while it has a higher trading volume compared to its recent average, it is trading below several key moving averages, indicating a bearish trend. Over the past month, the stock has decreased by 8.21%, and year-to-date, it has fallen by 12.79%, contrasting with the Sensex, which has gained 2.20% during the same period.
In the broader market context, Varroc Engineering's short-term performance has been notably weaker than the benchmark Sensex, which has only declined by 0.92% over the past week. This underperformance is further highlighted by the stock's year-to-date decline compared to the positive return of the Sensex. The rising investor participation, indicated by a significant increase in delivery volume, suggests some interest in the stock despite its current downward trend. However, the overall negative sentiment reflected in the stock's performance metrics and its volatility points to challenges that may be affecting investor confidence.