Sensex tumbles over 900pts; ICICI Bank plunges 20%

The Sensex has tumbled back to lower levels and is now down 937 points at 10,391.

ICICI Bank has slumped 20% to Rs 362. Jaiprakash Associates has plunged 14.5% to Rs 78.

Reliance Infrastructure and Reliance Communications has tumbled around 13% each to Rs 554 and Rs 262, respectively.

Tata Steel has crashed 11% at Rs 301, and HDFC has plunged 10.5% to Rs 1,692.

Satyam has shed 9.3% at Rs 240.