US Secretary of State Marco Rubio pushed a business and energy agenda over diplomacy on his second trip to India this year.
The lawsuit argues the White House exceeded its authority in imposing the latest tariffs on the country and caused "immediate harm to American businesses".
Exports have helped offset weak spending at home, but trade tensions and AI doubts cloud its outlook.
The boss of one of Ukraine's biggest steel companies says the country has been "bundled together" in measures aimed at curbing cheap imports.
India’s toy shops provide an unlikely barometer by which to measure its economic relationship with China.
Passengers have had a long wait for the ferry schedule as Brittany Ferries looks to make savings.
The prime minister described the risk of an action by the country's southern neighbour as remote, but said "it would be irresponsible" not to prepare.
Xi arrived on Wednesday evening with his wife Peng Liyuan at the Joint Base Andrews military base in Maryland.
Trump and Xi are expected to discuss a range of issues from trade to AI during the latter's multi-day visit to Washington.
