Sensex down 392pts; breadth extremely -ve

 Maruti and SBI have plunged 5.5% each to Rs 775 and Rs 939, respectively. ICICI Bank has slumped 5% to Rs 811.

Larsen & Toubro, Satyam and HDFC have shed around 4% each to Rs 1,550, Rs 451 and Rs 1,460, respectively.

The market breadth is extremely negative - out of 1,570 stocks traded so far, 1,115 have declined, 428 have advanced and 27 are unchanged.