Why is Divi's Lab. falling/rising?

As of 18-Sep, Divis Laboratories Ltd's stock price is currently at 6,102.25, reflecting an increase of 46.15, or 0.76%. Today's price summary indicates that the stock has underperformed its sector by 0.29%, although it is trading above its 5-day and 20-day moving averages, while remaining below the 50-day, 100-day, and 200-day moving averages. Over the past week, the stock has shown a modest gain of 1.30%, but it has underperformed over the past month with a decline of 0.49%. Despite this, the company has demonstrated strong fundamentals, including a high return on equity (ROE) of 17.46%, a low debt-to-equity ratio, and consistent positive results over the last four quarters, with a significant growth in profit after tax (PAT) of 24.69% in the latest six months.
Broader market context shows that while Divis Laboratories has generated a return of 11.98% over the past year, the broader market, represented by the Sensex, has increased by 0.08%. The stock's performance has been notably strong over the longer term, with a 70.74% increase over the last three years, compared to the Sensex's 41.08%. However, in the short term, the stock's performance has lagged behind the benchmark, which has risen by 1.80% over the past week. The rising investor participation, evidenced by a 24% increase in delivery volume, suggests a growing interest in the stock, which may support its price movement despite the recent underperformance relative to the sector.