Sensex Tanks 1,017 Points; Investors Lose Over Rs 5 Lakh Crore

In the Sensex pack, SBI, ICICI Bank, NTPC, HCL Tech, Reliance, Tata Motors, ITC, Axis Bank, Infosys, L&T, M&M, Maruti Suzuki, Ultratech Cement and Wipro fell the most.