The current financial crisis could exact a toll on the world's gross domestic product, an international business group in Belgium said.
Argentina's powerful industrial lobby, warned that the current real exchange rate with Brazil is back to 2001 levels, when the preambles of the worst economic crisis suffered by the country in a century.
Paul Krugman, who won this year's Nobel Prize for economics, told CNBC that the Treasury Department's move to inject banks with 250 billion US dollars is better than the original bailout plan.
In an article titled Gordon does Good published Monday in the New York Times the Princeton University scholar lavished praise on Brown for his timely action against the ongoing financial turmoil.
Financial markets in Asia have risen sharply, with Japan's Nikkei gaining 10% in early trading Tuesday, and Sydney up 5%. The gains came after Wall Street shares rocketed 11% on Monday as investors welcomed fresh moves to deal with the worldwide financial crisis. Japan was closed Monday because of a national holiday.
Latinamerican equities staged on Monday a powerful rebound from last week's crash, with Brazil's Bovespa soaring 14% and Mexico's IPA 11.1%, its highest one day gain this year and since 1998.
British-Hungarian financier and philanthropist George Soros warned in an interview with Budapest's Nepszabadsag newspaper that it is too early to say if markets will stabilize after last week's panic and described the current situation as the crisis of a lifetime.
The US government announced a 250 billion US dollars plan to purchase stakes in a wide variety of banks in an effort to restore confidence in the sector. President George W Bush said the move would help to return stability to the US banking sector and ultimately help preserve free markets.
Up to £50bn of taxpayers' cash is to be injected into four of Britain's biggest banks through the government's rescue package, the BBC has learned. Royal Bank of Scotland (RBS), HBOS, Lloyds TSB and Barclays is to sell off shares, the majority of which the government is expected to buy.
Asian markets have reacted positively to efforts by world leaders to end the recent financial turmoil. Sydney's benchmark index leapt 5.5%, as markets in South Korea and Singapore opened up around 3%. Tokyo's market was closed for a public holiday.
EU leaders earlier said no big bank would be allowed to fail, as they agreed a plan to tackle the crisis.