Why is Bayer CropSci. falling/rising?

As of 23-Sep, Bayer CropScience Ltd's stock price is currently at Rs 5,070.90, reflecting a decline of Rs 165.95 or 3.17%. The stock has been underperforming, having fallen consecutively for the last two days, resulting in a total decrease of 5.23% during this period. Today's trading activity indicates a low intraday performance, with the stock touching a low of Rs 5,053.05. Furthermore, it is trading below its 5-day, 20-day, 50-day, 100-day, and 200-day moving averages, suggesting a bearish trend. Additionally, there has been a significant drop in investor participation, with delivery volume falling by 78.59% compared to the 5-day average. Despite these challenges, the company boasts a high management efficiency with a return on equity of 22.83% and a low debt-to-equity ratio, which could provide some support for its valuation.
In the broader market context, Bayer CropScience's recent performance has been notably weaker than the benchmark Sensex, which has seen a slight increase of 0.98% over the past month, while Bayer's stock has declined by 7.94% in the same timeframe. This underperformance is further highlighted by the stock's year-to-date return of -8.70% compared to the Sensex's positive return of 5.07%. The overall market sentiment appears to be more favorable towards the benchmark, contributing to the stock's downward trajectory.