Kuwait plans more than $40 billion of investment to significantly increase its capacity to produce oil and gas, a top industry official was quoted as saying Tuesday.

The Gulf nation aims to raise the amount of crude oil it can pump by one-quarter, to 4.0 million barrels per day, by 2020, according to the head of planning at state-owned Kuwait Oil Co.

Global aviation firms flocked to China on Tuesday to show off their wares as economic development and an expanding middle class promise a bonanza in one of the world's fastest-growing aircraft markets.

Chinese defence companies and the People's Liberation Army's air force are also putting the latest weaponry on parade at the country's premier Zhuhai airshow this week, including the new J-31 stealth fighter and its biggest-ever military transport plane.

Alibaba said $2 billion of goods were sold in the first hour of its Singles Day shopping bonanza in China Tuesday, maintaining the day's dominance as the world's biggest retail event as it went global for the first time.

The ecommerce giant said that amount was more than a third of the $5.8 billion full-day sales recorded on the same day last year.

Crude prices extended losses in Asia Tuesday as the prospects of a production cut by the OPEC oil cartel dimmed, despite a global supply glut, analysts said.

U.S. benchmark West Texas Intermediate (WTI) for December delivery fell 34 cents to $77.06 while Brent crude for December eased 30 cents to $82.04 in afternoon trade.

The world's biggest economies must tackle rising inequality, aid agency Oxfam warned Tuesday, saying ignoring the issue would leave millions trapped in poverty and risk economic growth.

In a report ahead of the G20 summit in Brisbane, Oxfam said the wealth of G20 nations had risen by U.S.$17 trillion since December but the richest one percent of people took more than one-third of this with U.S.$6.2 trillion.

Russia' central bank announced Monday that it would intervene to support the ruble only if there was a threat to the "financial stability" of the Russian currency, which has lost 10 percent of its value last week.

The Bank of Russia said in a statement it would allow the ruble to evolve freely in the market, and that it would only intervene in the currency exchange "in case a threat appears to financial stability."

French motor manufacturer Renault inaugurated a multi-million-euro plant in Algeria Monday, Paris's former colony owning 51 percent of the factory with an initial production capacity of 25,000 cars annually.

The factory is to produce the Symbol, a saloon based on Renault's Clio compact sold mainly in markets where hatchbacks are not traditionally favored.

A global infrastructure hub proposed by G20 nations to help strengthen economic growth will be based in Sydney and funded by Australia, a report said on Monday.

The Group of 20 of the world's biggest developed and emerging economies agreed in September that a Global Infrastructure Initiative to share information about matching investors with projects would be established, but details were sketchy.

Japanese aircraft leasing giant SMBC Aviation Capital said Monday it has placed an order for 80 Boeing planes in a deal worth up to $8.5 billion.

The company, owned by Sumitomo Mitsui Financial Group and trading firm Sumitomo Corp., said its purchase of the 737 MAX 8 aircraft marked the single largest order for the plane by a leasing company as it looks to further tap the lucrative sector.

AT&T is buying Mexican wireless company Iusacell for $1.8 billion and plans to grow in Mexico.

The Dallas company said Friday that Iusacell has 8.6 million subscribers under the Iusacell and Unefón brand names. AT&T had 116.6 million subscribers as of June 30.