Sensex rallies over 300 pts in opening session; Nifty tops 10,300

Sensex rallies over 300 pts in opening session; Nifty tops 10,300

Equity benchmark Sensex surged over 300 points in early trade tracking gains in index-heavyweights Infosys, Reliance Industries, HDFC Bank and ICICI Bank amid positive cues from global markets.