Wall Street stocks climbed at the open on Monday, shrugging off worries over U.S. President Donald Trump's health after he was hospitalized following a positive Covid-19 diagnosis last week.

An exceedingly rare 102-carat flawless white diamond sold for $15.7 million at an online auction in Hong Kong on Monday evening.

Asian markets rallied Monday following reports suggesting Donald Trump's health is improving after he tested positive for the coronavirus, with traders also cheered by signs that US lawmakers were edging towards agreement on a new stimulus package.

Argentina President Alberto Fernandez said on Sunday he hoped to reach an agreement with the International Monetary Fund to refinance a $44 billion loan "as soon as possible."

Prime Minister Boris Johnson said on Sunday that Britain "can prosper mightily" without a post-Brexit trade deal with the European Union, the day after agreeing to extend stalled talks with Brussels.

US stock futures tumbled Friday after Donald Trump said he and his wife had tested positive for the coronavirus.

TikTok must become a "U.S. based company controlled by U.S. investors" or will be banned in the United States, Treasury Secretary Steven Mnuchin said Wednesday.

"Flying taxis" will start taking off from an aerodrome north of Paris as soon as next June, operators said, in a trial ahead of a vast tourist influx for the 2024 Olympics.

Spain's public debt soared in the second quarter to its highest level in at least 20 years as government spending rose sharply in an effort to tame the coronavirus pandemic, official figures showed Wednesday. 

Britain's economy shrank by a record 19.8 percent in the second quarter, entering recession on the coronavirus lockdown, but the contraction was less severe than first thought, official data showed Wednesday.