Mumbai: The BSE benchmark Sensex rose by 191 points in early trade on Tuesday on buying by funds and retail investors, buoyed by a firming trend in Asian markets.

The 30-share index, which has gained 63 points yesterday, moved up further by 191.52 points, or 1.23 percent, to 15,709.44 points with metals, banking and realty stocks leading the rally.

The wide-based National Stock Exchange Nifty index moved up by 55.80 points, or 1.20 percent, to 4,692.55.

Brokers said buying by funds and retail investors amid a firming trend in Asian markets in line with overnight gains on the European markets, bolstered trading sentiment.

In Asia, Hong Kong's Hang Seng Index rose by 1.85 percent, while South Korea's Kospi Indedx up by 2.1 percent in the morning trade on Tuesday. The stock market in Japan was closed.