The Bombay Stock Exchange benchmark Sensex on Wednesday gained 166 points in early trade on buying in metal, realty and auto stocks by funds, triggered by firm global cues.

The 30-share index rose by 166.67 points to 16,330.11 points in the first five minutes of trade. The BSE barometer had lost 192.59 points in the previous trading session. The wide-based National Stock Exchange index Nifty also moved up by 51.85 points to 4,881.95 points.