Shares in Infosys Technologies rose 1.8 per cent to a record high of 2,876 rupees on Friday morning, ahead of its quarterly earnings on July 13. "We expect robust results from Tier 1 IT vendors to demonstrate the underlying demand strength," Macquarie said in a note. It expects Infosys to raise fiscal
year 2011 US dollar revenue growth guidance to 17-19 per cent from 16-18 per cent.