Sensex zooms 629 pts, Nifty ends at 18,500; RIL, Sun Pharma jump up to 3%

STOCK MARKET HIGHLIGHTS: Broad-based gains across the market sharply lifted equity benchmark indices on Friday, aided by positive global sentiment as investors closely track US debt limit negotiations. After slim opening gains, the BSE Sensex gained steam and surged 629 points to close at 62,502. The NSE Nifty edged 178 points higher to end at 18,499.