Procter and Gamble warned on Wednesday a slowdown in developed countries hitting demand for its consumer products and negative foreign exchange effects would lead to a drop in sales and profits.

The U.S. group which owns some of the best known brands in the world such as Gillette razors and Tide laundry detergent said it expects $0.75-0.79 earnings per share in the quarter ending this month.

European leaders scrambled to buy themselves time in the battle to save the Eurozone Tuesday, promising their G20 partners they would integrate their banking sector and restart growth.

Backed by key EU members including Germany, France and Britain, the pledges came at the end of two days of talks between the Group of 20 powers in the Mexican beach resort of Los Cabos, during which leaders from outside Europe demanded they take firm and quick action.

Dressed as Robin Hood, protestors rallied Tuesday at JPMorgan Chase bank in New York for a tax on bank transactions that aims to take from the rich and give to the poor.

The roughly 30 protestors -- representing some 10 organizations -- proposed a Robin Hood tax, designed to address the economic injustices of the 2008 crisis.

Spain will await the results of two audits of its stricken banks before finalizing a request for European funds to aid in their recapitalization, Prime Minister Mariano Rajoy said Tuesday.

Spain came under pressure from the leaders of the world's most powerful economies at the G20 summit in Mexico to move quickly to resolve its debt crisis, which has threatened the stability of the entire Eurozone financial sector.

Business leaders gathered at a Rio+20 conference Monday pledged sustainable policies and joined a call for world leaders to usher in "a green industrial revolution" to save the planet.

Two days before a U.N. summit on sustainable development opens here, 1,200 CEOs wrapped up a four-day meeting with more than 150 voluntary commitments to greater energy efficiency, reforestation and a lower carbon footprint and other green policies.

Oil dropped below $83 a barrel Tuesday in Asia as traders closely watched talks between Iran and six world powers over the Middle Eastern country's nuclear program.

Benchmark oil for July delivery was down 36 cents to $82.91 a barrel at late afternoon Singapore time in electronic trading on the New York Mercantile Exchange. The contract fell 76 cents to settle at $83.27 in New York on Monday.

Business software giant Oracle on Monday shook off rumors of a looming management shake-up and announced plans to buy back an additional $10 billion in stock.

Oracle shares gained ground on what had been a losing day of trading on the Nasdaq after the surprise early release of its quarterly earnings report along with word the board of directors had approved the stock buy-back scheme.

World leaders and the IMF tried to inject fresh confidence into the flagging global economy on Monday at a G20 summit in Los Cabos, Mexico dominated by Europe's growth-sapping debt crisis.

The International Monetary Fund trumpeted $456 billion in pledges to a firewall fund intended to stave off future crises, but it was the current downward spiral in Europe that preyed on the minds of the world's major powers.

Rolls-Royce said on Monday it had won a contract worth more than £1.0 billion (1.24 billion euros, $1.57 billion) to power Britain's next-generation nuclear submarines.

The British power-systems group, which is best known for producing engines for planes, said the contract includes regeneration of the current Rolls-Royce submarine reactor core manufacturing facility in Derby, central England.

After searching for months for cash, the IMF looks able to firm up a huge emergency "firewall" fund for crisis prevention after China said Sunday that big emerging economies would chip in.

A day before the Group of 20 powers open crucial talks on the Eurozone crisis, Chinese Vice Finance Minister Zhu Guangyao said that the International Monetary Fund would get the balance it needs to reach the $430 billion it tentatively announced in April.