World stock markets mostly sank Thursday as a summit between Donald Trump and Kim Jong Un ended abruptly without an agreement.

Lawyers for former Nissan chief Carlos Ghosn on Thursday filed a fresh bail request for the auto titan after more than three months of detention, the Tokyo District Court said.

Norway's sovereign wealth fund, the world's biggest, suffered a loss of 485 billion kroner (50 billion euros, $57 billion) last year, the country's central bank said Wednesday.

The bank, which runs the fund, blamed the 6.1 percent drop -- its second worst yearly result ever -- on volatile stock markets. 

The Saudi energy minister said Wednesday he is leaning towards extending oil production cuts in the second half of 2019, despite US President Donald Trump's demand to keep prices down.

Vietnamese carriers signed aviation deals with US firms worth $21 billion on Wednesday as President Donald Trump met with top business leaders in Hanoi ahead of his summit with North Korea's Kim Jong Un.

The Bank of England on Tuesday said it was preparing to give lenders greater access to cash borrowing in its latest move to help bring financial stability ahead of Brexit.

"The Bank will increase the frequency of existing market-wide sterling (cash loans)... from monthly to weekly over the weeks surrounding the planned EU withdrawal date," the BoE said in a statement.

The price of oil sank Monday after U.S. President Donald Trump urged the OPEC crude producers' cartel to help cut "high" prices and aid the "fragile" world economy.

U.S. President Donald Trump said Monday he expects a "signing summit" with China on trade, with negotiators "very, very close" to a deal.

Uzbekistan on Monday issued a new high-denomination banknote, saying it would facilitate big consumer purchases in a country that still shops mostly with cash.

President Donald Trump's decision to extend a deadline to escalate tariffs on Chinese imports raised cautious optimism in China on Monday and sent shares soaring.

The Shanghai Composite index jumped 5.5 percent to its highest level since last summer after Trump said "substantial progress" was made in weekend talks between the two countries regarding their dispute over China's technology policies.