Why is Remus Pharma. falling/rising?

As of 17-Sep, Remus Pharmaceuticals Ltd is experiencing a decline in its stock price, currently at 811.25, which reflects a decrease of 8.1 points or 0.99%. The stock has underperformed significantly, with a 1-week return of -3.84% and a 1-month return of -8.20%. It is also trading lower than all its moving averages, including the 5-day, 20-day, 50-day, 100-day, and 200-day averages. Furthermore, the stock is close to its 52-week low, being only 4.47% away from Rs 775. The delivery volume has also seen a sharp decline, falling by 43.93% against the 5-day average, indicating a drop in investor participation.
In the broader market context, the Sensex has shown a positive return of 1.43% over the past week and 2.84% over the past month, contrasting sharply with Remus Pharmaceuticals' negative performance. This suggests that while the overall market is performing well, Remus Pharmaceuticals is lagging behind. The year-to-date performance also highlights a significant decline of 35.04% for the stock compared to a 7.13% increase in the benchmark, further emphasizing the stock's struggles in the current market environment.