Why is Zenith Drugs falling/rising?

As of 08-Aug, Zenith Drugs Ltd is experiencing a decline in its stock price, currently at 63.85, reflecting a decrease of 2.15 or 3.26%. The stock has underperformed its sector by 1.19% today and is trading below its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages. Additionally, the stock has shown a significant drop in investor participation, with delivery volume falling by 68.75% compared to the 5-day average. Over the past week, the stock has decreased by 2.22%, and it has seen a more substantial decline of 10.51% over the past month, indicating ongoing negative momentum.
In the broader market context, the Sensex has only declined by 0.82% over the past week and 4.54% over the past month, suggesting that Zenith Drugs' performance is notably weaker than the overall market. Year-to-date, while the Sensex has gained 3.04%, Zenith Drugs has dropped by 20.98%, highlighting a stark contrast in performance. This underperformance against the benchmark indicates that investor sentiment towards Zenith Drugs is particularly negative, contributing to the stock's recent price decline.