Spain has recovered only five percent of 51.3 billion euros ($57.2 billion) of state aid given to the country's banking sector since 2009 to prevent its collapse, the Bank of Spain said on Monday.

A total of 53.55 billion euros were provided to Spain's banking sector via a restructuring fund in the aftermath of the financial crisis, including 2.25 billion euros of contributions from the private sector.

Gulf oil exporters must reduce spending, including subsidies, and diversify their economies to cope with lower revenues caused by the sharp drop in crude prices, the International Monetary Fund said.

The wealthy monarchies, however, should "not react in a knee-jerk way to lower oil prices", the IMF Middle East and Central Asia chief Masood Ahmed told Agence France Presse in an interview Monday.

Australia's central bank cut its benchmark interest rate to a record low of 2.0 percent on Tuesday in a bid to reinvigorate the struggling economy as a long, China-fuelled mining boom fizzles out.

"At today's meeting, the board judged that the inflation outlook provided the opportunity for monetary policy to be eased further, so as to reinforce recent encouraging trends in household demand," Reserve Bank of Australia governor Glenn Stevens said in a statement.

Dubai attracted more than 13 million visitors last year, official figures released on Monday showed, as the cash-flush emirate looks to reap the rewards of its growing tourism sector. 

A total of 13.2 million foreigners headed to Dubai in 2014, an increase of 8.2 percent compared with the previous year, its tourism department said.

Chinese regulators are investigating units of foreign medical device companies including Germany's Siemens, Dutch firm Philips and General Electric of the U.S. for bribery, Bloomberg News reported on Monday.

The State Administration for Industry & Commerce (SAIC) and other regulators last year opened initial investigations into the companies' Chinese health-care units on suspicion of bribing hospitals in exchange for sales, according to the report.

Indonesia's inflation accelerated to 6.79 percent in April spurred by higher fuel costs after global oil prices rebounded, official data showed Monday.

The year-on-year consumer price index rose from 6.38 percent in March, the statistics agency said.

Greek Finance Minister Yanis Varoufakis said on Saturday that Greece could manage without a new "loan" if its debt was restructured, as the country waits to find out if it has secured critically-needed bailout funds.

Asked if the nation could do without one, Varoufakis told the Efimerida ton Sindakton daily in an interview: "Of course it can. One of the conditions for this to happen though, is an important restructuring of the debt."

Oil giant Saudi Aramco named an interim president and CEO after his veteran predecessor's appointment as minister of health.

Amin Nasser was named "acting president and chief executive officer of the Saudi Arabian Oil Company until further notice," Saudi Aramco said in a statement.

Foreigners who break rules on buying Australian real estate will face up to three years in jail or fines of Aus$127,500 (U.S.$100,050) for individuals and Aus$637,500 for companies under tougher rules unveiled Saturday.

In announcing the changes, conservative Prime Minister Tony Abbott said his government was in favour of foreign investment.

A U.S. judge Friday ordered BNP Paribas to pay a record $8.9 billion fine to settle violations of U.S. sanctions linked to Iran and other countries.

Judge Lorna Schofield finalized a sentence that also included a five-year probation and the imposition of a monitor at France's largest bank.