The Gulf country said Kuwait, Saudi Arabia and the United Arab Emirates will provide aid amid growing concerns over its economy but offered no details.
Rouhani's comments came after protesters angered by Iran's tanking economy confronted police.
Retaliatory tariffs mean motorcycles exported from the U.S. jumped between 6 percent and 31 percent - or $2,200 per average Harley-Davidson.
The European Union will start taxing a range of U.S. imports on Friday, including Harley-Davidson bikes, cranberries, peanut butter, playing cards and whiskey.
Financial and trade connections with the rest of the world will help Britain's economy stay strong, according to Philip Hammond and Mark Carney.
The future of retail is about social interaction. Customers want to be entertained, engaged and emotionally stimulated.
Many in Trump's America are living paycheck-to-paycheck to succeed despite the economy's rapid improvements.
China's government quickly responded that it would "fight back strongly" with penalties of the same scale on American goods.
Discussion on automation often focuses on dystopian outcomes but it could improve gender equality at work.
The President claimed the US was a "piggy bank that everybody's robbing" and warned the European Union that it would be a "mistake" to start a trade war.
Donald Trump has complained to aides about even having to attend the G7.
Leaders from Germany, France, the UK and Italy are expected to take the US president to task over controversial tariffs at the upcoming G7 summit.
The move signals Britain's commitment to expand international trade transport links, Transport Secretary Chris Grayling said.
With less professionals looking to the UK for career opportunities and as the labour market tightens, recruiters and businesses need to keep innovate.
Part of the drop-off in optimism reflects growing worries about what Trump's get-tough approach on trade might do to U.S. growth prospects.
Report said government officials have modeled three potential scenarios for a "no deal" Brexit: mild, severe and "Armageddon."
Strong hiring in May pushes U.S unemployment rate to 18-year low.
The U.S. action widens a rift with America's closest allies and alarming investors in global financial markets.
Asian financial markets tumbled on renewed worries about a U.S.-Chinese trade spat
A final decision on U.S. President Donald Trump's threatened steel and aluminum tariffs is expected by Friday.
Controversial Kinder Morgan pipeline across the snow-capped peaks of the Canadian Rockies is opposed by indigenous people and environmentalists.
Fears are growing that Brexit will trigger a competitive race to the bottom which will leave the British worker worse off.
With the British government split over Brexit there's growing concern that there won't be a deal by the the autumn.
Chelsea FC owner Roman Abramovich's latest visa woes highlight the need for a code of ethics to make investment migration more transparent.
Britain's chronic language skills gap will damage its ability to trade.
Powerful parliamentary committee accused government of empty rhetoric after the poisoning of former Russian spy Sergei Skripal.
United States and China reported progress in talks aimed at bringing down America's massive trade deficit with Beijing.
What Prince Harry and Meghan Markle's wedding can teach us about the economics of partying
President Donald Trump met with Chinese Vice Premier Liu He, the leader of China's delegation, on Thursday.
The Nord Stream 2 project will double the amount of natural gas Russia can funnel directly to the heart of Europe.