New Delhi, April 9 -- A day after the US-Iran ceasefire triggered the Indian benchmark indices' best intraday gain in five years, the trend on Dalal Street reversed. Lingering war clouds and doubts over the durability of the two-week ceasefire lifted crude oil prices and heightened investor caution, pushing the Sensex and Nifty lower by over 1% on Thursday, April 9.

The Sensex fell over 1,000 points, or 1.3%, to 76,557, while its NSE counterpart, the Nifty 50, declined 257 points, or 1.07%, to 23,740.

The Strait of Hormuz remained largely blocked, while Israeli attacks on Lebanon threatened to derail the fragile ceasefire in the Middle East, denting global investor sentiment. The key oil transit route, which accounts for nearly 20% of t...