Why is Zim Laboratories falling/rising?

As of 11-Nov, Zim Laboratories Ltd's stock price is currently at 77.62, reflecting an increase of 7.15 or 10.15%. The stock has shown strong performance today, outperforming its sector by 10.28% and reaching an intraday high of Rs 79.83, which is a rise of 13.28%. Despite this positive movement, the stock has experienced high volatility with an intraday volatility of 8.54%. Over the past week, the stock has gained 5.86%, and over the past month, it has increased by 8.45%. However, it is important to note that the stock's year-to-date performance is down by 27.46%, indicating a significant decline over a longer period. There is no information available regarding positive or negative factors impacting the stock's recent movement.
In the broader market context, Zim Laboratories' short-term performance has significantly outpaced the benchmark Sensex, which has only risen by 0.49% over the past week and 1.66% over the past month. This suggests that while the stock is currently experiencing a rebound, it has struggled over the longer term, as evidenced by its year-to-date decline compared to the Sensex's gain of 7.34%. The stock's recent rise could be attributed to short-term trading dynamics, but the overall trend remains concerning given its substantial losses over the past year and three years.