On Thursday, Sensex plunged nearly 2,500 points to hit below 74,000 levels. Eternal's stock was the biggest loser on Sensex as its shares fell 5.65%. It was followed by Bajaj Finance, Mahindra & Mahindra, HDFC Bank and Larsen & Toubro, whose shares fell 5.42%, 5.25%, 5.13% and 4.72%, respectively. Shares of IndiGo (4.66%) and Bajaj Finserv (4.47%) were also among top losers.