The 50-share Nifty index is expected to open higher on Friday following positive trend seen in other Asian markets. Tracking the momentum, the index is expected to reclaim its crucial psychological level of 7,500 in trade today. At 07:30 a.m., Nifty India stock futures in Singapore were trading 35 points higher at 7,525.00 a positive opening on the domestic market. The benchmark Sensex created history on Thursday by closing above the 25,000 mark for the first time on heavy buying in metal, power...