Why is Zenith Drugs falling/rising?

As of 01-October, Zenith Drugs Ltd is experiencing a price increase, with the current price at 67.90, reflecting a change of 1.3 or 1.95% upward. The stock has shown some positive movement today, outperforming its sector by 0.59%. Additionally, the stock's delivery volume has significantly increased, rising by 213.95% compared to the 5-day average, indicating rising investor participation. However, despite today's gains, the stock has underperformed over the longer term, with a year-to-date decline of 15.97% and a staggering 47.65% drop over the past year.
In the broader market context, the Sensex has shown a positive return of 5.04% year-to-date, contrasting with Zenith Drugs' significant decline. Over the past week, while Zenith Drugs fell by 1.02%, the Sensex decreased by only 0.88%, suggesting that the stock's recent performance is lagging behind the benchmark. The stock is currently above its 5-day and 20-day moving averages, but below its longer-term moving averages, indicating mixed signals regarding its momentum. Overall, while there are signs of increased trading activity and short-term gains, the stock's long-term performance remains concerning compared to the broader market.