The Bombay Stock Exchange benchmark Sensex lost 115 points in opening trade on Monday on increased selling in banking, IT and metal stocks amid weak global cues.

The 30-share index, which had lost over 781 points in the previous four trading sessions, declined by 115.80 points or 0.68 per cent, to 16,859.68 points in the morning trade. The wide-based National Stock Exchange index Nifty drifted down by 42.65 points, or 0.75 per cent, to 4,993.35.