Infosys shares down after rising as much as 1 per cent in morning trade. Sarvendra Srivastava says if Infosys shares fall by Rs 100, another 6-7 per cent decline cannot be ruled out. Technical analyst Rajat Bose says Infosys has a strong support at Rs 3,247-3,230, but if these levels are broken, the stock can fall by Rs 200. ( Read the full story here ) 09.15 a.m. The BSE Sensex jumped over 100 points, while the Nifty advanced around 40 points.