The Bombay Stock Exchange benchmark Sensex on Friday lost 536 points to dip below the 14k level in early trade on heavy selling by funds tracking weak global cues.
The 30-share index, which had gained 325 points in last two trading session, moved down by 535.97 points to 13,885.85 as heavy-weight stocks led by Reliance Industries and Infosys fell sharply.
The key index returned to below 14,000 level after a gap of two days.
Similarly, wide base-based National Stock Exchange's index Nifty lost 159 points to 4,156.85.
Marketmen said foreign funds turned net sellers in view of a steep fall in the US and other Asian markets such as China and Hong kong.