Why is Natco Pharma falling/rising?

As of 01-Aug, Natco Pharma Ltd. is experiencing a decline in its stock price, currently at 926.35, reflecting a decrease of 27.35 or 2.87%. The stock has been on a downward trend, having fallen consecutively for the last two days, resulting in a total drop of 5.02%. Additionally, the stock's performance over the past week shows a decline of 4.28%, while its year-to-date return is significantly negative at -33.21%. Despite outperforming its sector by 0.29% today, the stock's intraday low reached 913, indicating persistent selling pressure. The company's delivery volume has also decreased sharply by 52.87% compared to the five-day average, suggesting a drop in investor participation.
In the broader market context, Natco Pharma's recent performance contrasts with the Sensex, which has only declined by 1.06% over the past week. The pharmaceutical sector as a whole has faced a downturn, with a -3.27% drop. Despite the stock's poor short-term performance, it is important to note that the company has demonstrated strong management efficiency, a low debt-to-equity ratio, and healthy long-term growth with an annual operating profit increase of 32.35%. Furthermore, the stock is trading at a discount compared to its peers, with a favorable PEG ratio of 0.3, indicating potential for recovery in the long run. However, the significant drop in recent trading volumes and the overall sector weakness may be contributing to the current downward pressure on the stock price.