Bank of America was even weaker, losing 2.7% to lead the Dow decliners after The Wall Street Journal reported that the bank was willing to retreat from some parts of the country if its financial problems deepen.

WSJ: U.S. Stocks Slump

The focus of the trip is mostly to deepen financial and economic ties between the two countries.

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The international financial crisis could deepen, with a more damaging impact on global economic growth and capital inflows to Indonesia than we currently expect.

ECONOMIST: Indonesia's robust economy continues to grow

But it could deepen the financial crisis by forcing institutions to recognise the assets' deeply distressed prices.

ECONOMIST: The financial crisis

Accenture, with more than 3, 000 people in New York, saw the Lab as an opportunity to help the city create more high-end jobs in financial technology, and, not so incidentally, to deepen its own relationships with financial services clients while simultaneously getting a glimpse of rising new technology innovations.

FORBES: New York's FinTech Innovation Lab Links Startups To Big Banks

Many feared a falling yen would not only deepen East Asia's financial troubles but damage the world economy, too.

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Countries gradually deepen and develop the domestic financial, then they start to open up to capital inflows and allow domestic investors to send money abroad.

BBC: Mr Osborne and China's long road to a global currency

Their presence might also deepen and diversify China's skittish financial markets.

ECONOMIST: China��s capital controls