Sensex rallies over 300 pts; Nifty near 18,100 level

Sensex rallies over 300 pts; Nifty near 18,100 level

Equity benchmark Sensex rallied over 300 points in opening trade to hit a fresh lifetime high on Tuesday, tracking gains in index heavyweights ICICI Bank, HDFC Bank and M&M despite a weak trend in global markets.