Mumbai, Jan 17 (Agencies): The Bombay Stock Exchange (BSE) benchmark Sensex opened lower by 81 points at 18,779.38 due to selling by funds on Monday.

The 30-share index had lost 322.38 points in the previous session.

Similarly, the wide-based National Stock Exchange Nifty index also moved down by 30.40 points to 5,624.15 points.