New Delhi, April 13 -- Global financial markets recoiled on Monday after President Donald Trump ordered a naval blockade targeting Iranian oil exports, a move that sent oil prices surged past $100 a barrel and reignited fears of a prolonged economic shock driven by geopolitical confrontation.

The decision, announced after the collapse of US-Iran negotiations over the weekend, marked one of the most aggressive escalations in recent months. Analysts across energy and financial markets warned that the strategy risks destabilizing global supply chains while failing to compel Tehran into submission.

On Wall Street, the reaction was swift and uneasy. The Dow Jones Industrial Average fell more than 250 points, while the S&P 500 hovered near fl...