Ambuja Cements traded firm to emerge the top gainer on the NSE in the morning session on Friday. At 11.04 am the share was trading at Rs 226 against Rs 223.95 at close yesterday. This was a gain of 0.92 per cent.

Infosys advanced 0.91 per cent at Rs 1,144.90 against Rs 1,134.55 at close yesterday.

Tech Mahindra moved up 0.69 per cent at Rs 562.75. The share had closed the overnight session at Rs 558.90.

HCL Technologies gained 0.67 per cent at Rs 967.70 against Rs 961.25 at close on Thursday.

Hindustan Unilever edged up 0.30 per cent at Rs 874.70 against Rs 872.05 at close overnight.