Mahindra Satyam jumps 8.7 per cent after hitting as high as Rs 91.85, its highest since July 21, 2011.

Gains come after the software services exporter beat analyst estimates with a 56.4 per cent rise

Tech Mahindra Ltd and Satyam Computer Services Ltd, which are in the process of a merger, aim to hire up to 10,000 staff for the combined entity in 2012-13 to meet an expected rise in demand for techn