Why is Sanofi India falling/rising?

As of 19-Aug, Sanofi India Ltd's stock price is currently at 5,177.40, reflecting an increase of 73.4 points or 1.44%. The stock has shown a positive trend recently, gaining for three consecutive days with a total return of 2.26% during this period. It outperformed its sector by 1.57% today and reached an intraday high of Rs 5,235. Despite this recent uptick, the stock has experienced a significant decline over the past month, down 12.77%, and a substantial drop of 23.17% over the past year. Positive factors contributing to the stock's recent movement include high management efficiency indicated by a return on equity (ROE) of 35.83%, a low debt-to-equity ratio, and strong recent financial results, including record operating cash flow and net sales. However, the stock faces challenges due to poor long-term growth metrics, with net sales declining at an annual rate of -8.57% over the last five years, and a high valuation compared to its peers.
In the broader market context, Sanofi India's recent performance has been slightly below that of the benchmark Sensex, which has risen by 1.76% over the past week while Sanofi's stock increased by 1.65%. The stock's year-to-date performance is notably poor, down 15.12%, contrasting sharply with the Sensex's gain of 4.49% during the same period. This underperformance in the long term, coupled with the stock's premium valuation and declining profits, suggests that while there may be short-term gains, the overall outlook remains cautious as it continues to lag behind broader market trends.