Why is Sanofi India falling/rising?

As of 18-Sep, Sanofi India Ltd's stock price is currently at 5,043.95, reflecting a decline of 16.8 points or 0.33%. The stock has underperformed its sector today by 1.38% and is trading below all key moving averages, including the 5-day, 20-day, 50-day, 100-day, and 200-day averages. Over the past week, the stock has decreased by 0.63%, and it has shown a significant decline of 29.37% over the past year. Despite high management efficiency indicated by a return on equity (ROE) of 35.78% and a low debt-to-equity ratio, the stock's performance has been hindered by poor long-term growth, with net sales and operating profit declining at annual rates of -8.57% and -10.81%, respectively. Additionally, the stock is trading at a premium compared to its peers, and profits have fallen by 9.4% over the past year.
In the broader market context, Sanofi India's recent performance contrasts sharply with the benchmark Sensex, which has gained 1.80% over the past week and 6.24% year-to-date. This underperformance is indicative of broader challenges faced by the company, as it has consistently lagged behind the BSE500 in various timeframes, including the last three years and one year. The stock's flat results in the most recent quarter, with a significant drop in profit before tax and profit after tax compared to previous averages, further contribute to its negative outlook. High institutional holdings at 28.67% suggest that informed investors are also cautious about the stock's future prospects, reinforcing the sentiment that it may not be a favorable investment at this time.