Sensex plunges over 1,000 pts on fears of US eco weakness

Investor concerns over a potential slowdown in US economic growth led to significant losses on Dalal Street, with the sensex dropping by 1,017 points and Nifty by 293 points. Defence minister Rajnath Singh's caution added to the negative sentiment. Investors lost Rs 5.5 lakh crore as BSE's market capitalisation fell to Rs 473 lakh crore.