Tata Communications said a June 5 fire at its Delhi data center prompted immediate activation of its business continuity plan, citing a force majeure.

The Wall Street Journal on the 23rd reported Iranian diplomats say they have been studying The Art of the Deal—which advocates extreme, unpredictable demands to create anxiety and force concessions—to understand Trump's negotiating style. Iranian negotiators told intermediaries they consulted a team of psychologists to help anticipate Trump's likely public reactions; a person familiar with Iran's talks in Switzerland said there were no psychologists on the team and Tehran prefers not to psychoanalyze Trump's motives. Political analysts and mediators say Trump's high-profile, hardline statements have so far not produced additional concessions. Mohammad Amersi of the Wilson Center said Trump is deploying those tactics to test opponents' resolve, but Iranians are aware of his approach.

Japan's Nikkei 225 fell below 69,000 points, down 1.13% intraday.