Snapping a three-session rise, the Bombay Stock Exchange benchmark Sensex slipped by over 78 points on Wednesday in opening trade on emergence of profit-booking amid weak Asian markets. However, gains in some heavy-weight stocks capped losses.

The BSE-30 share benchmark Sensex, which had gained nearly 725 points or 4.7 per cent in the past three sessions, fell by 78.93 points at 16,044.77.