Why is Bayer CropSci. falling/rising?

As of 25-Jul, Bayer CropScience Ltd is experiencing a decline in its stock price, currently at Rs 6,300.00, which reflects a decrease of Rs 50.0 or 0.79%. The stock has underperformed its sector by 0.74% today and has fallen after three consecutive days of gains. It touched an intraday low of Rs 6,216.85, marking a decline of 2.1%. Over the past week, the stock has decreased by 0.53%, while it has shown a positive return of 9.46% over the past month. Despite the recent downturn, Bayer CropScience maintains a high management efficiency with a return on equity (ROE) of 23.22% and a low debt-to-equity ratio, which supports its overall financial stability.
In the broader market context, Bayer CropScience's recent performance contrasts with the Sensex, which has decreased by 0.36% over the same week. While the stock has shown a year-to-date increase of 13.43%, it has underperformed on a one-year basis with a decline of 4.79%, compared to the Sensex's gain of 1.78%. The stock's liquidity remains adequate, with a delivery volume that has increased significantly, indicating rising investor participation. However, the recent trend reversal and short-term underperformance against the sector may be contributing factors to the current price decline.