Why is Bayer CropSci. falling/rising?

As of 11-Jul, Bayer CropScience Ltd's stock price is currently at Rs 6,153.50, reflecting a decline of Rs 126.15 or 2.01%. The stock has been underperforming recently, having fallen for the last three days, resulting in a total decrease of 5.01% during this period. Additionally, the stock's performance today has underperformed its sector by 1.43%. Over the past week, it has decreased by 4.15%, while its one-month return shows a positive trend of 12.45%. Despite a high management efficiency indicated by a return on equity (ROE) of 23.22% and a low debt-to-equity ratio, the stock's recent price movement suggests a lack of investor confidence, as evidenced by a significant drop in delivery volume by 26.74% against the five-day average.
In the broader market context, Bayer CropScience's recent performance contrasts with the Sensex, which has only declined by 1.12% over the past week. This indicates that the stock is not only falling but doing so at a rate greater than the overall market. Year-to-date, Bayer has outperformed the Sensex with a return of 10.79% compared to the benchmark's 5.58%. However, the stock's one-year performance shows a decline of 6.99%, while the Sensex has gained 3.26%, highlighting a longer-term trend of underperformance relative to the market. The combination of recent price declines, falling investor participation, and a lack of positive momentum suggests that the stock is currently facing challenges despite its underlying financial strengths.