Why is Vista Pharma. falling/rising?

As of 17-Nov, Vista Pharmaceuticals Ltd is experiencing a decline in its stock price, currently at Rs. 8.39, which reflects a decrease of Rs. 1.03 or 10.93%. The stock has hit a new 52-week low of Rs. 8 today and has underperformed its sector by 11.21%. Although it opened with a gain of 3.4% and reached an intraday high of Rs. 9.9, it also saw a significant drop to an intraday low of Rs. 8, indicating high volatility with an intraday fluctuation of 10.61%. The stock has consistently underperformed over various periods, showing a year-to-date decline of 28.78% and a one-year drop of 31.51%. Additionally, it is trading below all key moving averages, which suggests a bearish trend. The delivery volume has increased significantly, indicating rising investor participation, but this has not translated into positive price movement.
Broader Market Context: In comparison to the benchmark Sensex, which has shown positive returns of 1.69% over the past week and 8.72% year-to-date, Vista Pharmaceuticals' performance has been notably poor, with a weekly decline of 12.60% and a year-to-date drop of 28.78%. This stark contrast highlights the stock's struggles in a generally positive market environment. The broader market's upward trend may be contributing to the heightened scrutiny and selling pressure on Vista Pharmaceuticals, as investors may be reallocating their capital towards better-performing assets.