The Bombay Stock Exchange benchmark Sensex plunged to its 15-month low level by losing over 620 points in pre-close trade on Tuesday aggressive selling which emerged in line with melting global equity markets.
The Sensex, which has been on a three-day losing streak, slipped further by 620.30 points at 12,710.21 at 1445 hrs. All index-related stocks, excluding Satyam Computers, were battered.
The wide-based National Stock Exchange index Nifty dropped 170.70 points at 3,859.00 with all 50 index linked stocks moved into red.
Selling pressured increased in pre-close trading as all global stock markets, led by Hong Kong, tumbled on mortgage sub-prime crisis in the US financial sector.