Why is Bayer CropSci. falling/rising?

As of 06-Aug, Bayer CropScience Ltd's stock price is currently at Rs 6,009.55, reflecting a decline of Rs 281.8 or 4.48%. Today's price summary indicates that the stock underperformed its sector by 2.61%, with an intraday high of Rs 6,418.25 and a low of Rs 5,901, suggesting significant volatility. The stock has shown a negative return of 4.73% over the past week and 6.39% over the past month, while it has a year-to-date return of 8.20%. Despite these short-term declines, the company has reported strong financial performance in its latest quarter, achieving record net sales and profitability metrics, which may provide some support for the stock's valuation.
In the broader market context, Bayer CropScience's recent performance contrasts with the Sensex, which has declined only 1.15% over the past week and 3.46% over the past month. This indicates that the stock is underperforming relative to the benchmark. The company's high management efficiency, indicated by a return on equity of 23.22% and a low debt-to-equity ratio, suggests a solid operational foundation. However, the stock's recent price movements and underperformance against the sector may reflect investor concerns despite the positive financial results, contributing to the current downward trend.