The German share price index DAX graph is pictured at the stock exchange in Frankfurt, Germany, May 25, 2020. REUTERS/Staff

Maribel Ballena, 28, peels buckets of garlic with her daughter outside their shanty home, to be sold in the public market as her husband remains jobless amid the coronavirus disease (COVID-19) lockdown, in the slum area of Tondo, Manila, Philippines, May 6, 2020. Picture taken May 6, 2020.

Vendors are seen near a building where a labour market is closed following the novel coronavirus disease (COVID-19) outbreak, in a suburb of Beijing, China May 13, 2020. Picture taken May 13, 2020. REUTERS/Tingshu Wang u000d u000d

A man wearing a face mask rides a vehicle as he enters an outdoor market, following the novel coronavirus disease (COVID-19) outbreak, in a suburb of Beijing, China May 13, 2020. Picture taken May 13, 2020. REUTERS/Tingshu Wang

A woman with a protective face mask is seen in a market in Cheetham Hill, following the outbreak of the coronavirus disease (COVID-19), Manchester, Britain, May 24, 2020. REUTERS/Phil Noble

A vendor sells melons at a traditional market amid the coronavirus disease (COVID-19) outbreak in Jakarta, Indonesia May 23, 2020. REUTERS/Ajeng Dinar Ulfiana

A large puppet figure called "Ondel-ondel" wears a face mask at traditional market amid the coronavirus disease (COVID-19) outbreak in Jakarta, Indonesia May 23, 2020. REUTERS/Ajeng Dinar Ulfiana

Traders from Cuttone & Company make preparations on the floor for the return to trading at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

A nearly empty trading floor is seen as preparations are made for the return to trading at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

A nearly empty trading floor is seen as preparations are made for the return to trading at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

Dividers are seen inside a trading post on the trading floor as preparations are made for the return to trading at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

Dividers are seen inside a trading post on the trading floor as preparations are made for the return to trading at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

A staff member rings closing bell in honor of Memorial Day and the lives lost in military service to the U.S., as preparations are made for the return to trading, on the floor at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid TPX IMAGES OF THE DAY

A staff member rings closing bell in honor of Memorial Day and the lives lost in military service to the U.S., as preparations are made for the return to trading, on the floor at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

Workers celebrate the during closing bell, as they prepare for the return to trading, on the floor at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

A nearly empty trading floor is seen as preparations are made for the return to trading at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

A nearly empty trading floor is seen as preparations are made for the return to trading at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

A nearly empty trading floor is seen as preparations are made for the return to trading at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

A staff member works at a trader station as preparations are made for the return to trading at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

A nearly empty trading floor is seen as preparations are made for the return to trading at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

A nearly empty trading floor is seen as preparations are made for the return to trading at the New York Stock Exchange (NYSE) in New York, U.S., May 22, 2020. REUTERS/Brendan McDermid

The German share price index DAX graph is pictured at the stock exchange in Frankfurt, Germany, May 22, 2020. REUTERS/Staff

An Uber Eats food delivery courier closes a bag with an order amid the outbreak of the coronavirus disease (COVID-19) in central Kiev, Ukraine May 22, 2020. REUTERS/Valentyn Ogirenko

Muslims shop for shoes ahead of Eid al-Fitr, which marks the end of the holy month of Ramadan, amid the spread of coronavirus disease (COVID-19) outbreak, at the market in Hamarweyne district of Mogadishu, Somalia May 22, 2020. REUTERS/Feisal Omar

Muslims shop for clothes and shoes ahead of Eid al-Fitr, which marks the end of the holy month of Ramadan, amid the spread of coronavirus disease (COVID-19) outbreak, at the market in Hamarweyne district of Mogadishu, Somalia May 22, 2020. REUTERS/Feisal Omar

Muslims shop for toy guns and dolls ahead of Eid al-Fitr, which marks the end of the holy month of Ramadan, amid the coronavirus disease (COVID-19) outbreak, at the market in Hamarweyne district of Mogadishu, Somalia May 22, 2020. REUTERS/Feisal Omar

Muslims shop for toy guns and shoes ahead of Eid al-Fitr, which marks the end of the holy month of Ramadan, amid the coronavirus disease (COVID-19) outbreak, at the market in Hamarweyne district of Mogadishu, Somalia May 22, 2020. REUTERS/Feisal Omar

Muslims shop for toy guns ahead of Eid al-Fitr, which marks the end of the holy month of Ramadan, amid spread of coronavirus disease (COVID-19) outbreak, at the market in Hamarweyne district of Mogadishu, Somalia May 22, 2020. REUTERS/Feisal Omar

Muslims shop for toy guns ahead of Eid al-Fitr, which marks the end of the holy month of Ramadan, amid spread of coronavirus disease (COVID-19) outbreak, at the market in Hamarweyne district of Mogadishu, Somalia May 22, 2020. REUTERS/Feisal Omar

Muslims shop for toy guns ahead of Eid al-Fitr, which marks the end of the holy month of Ramadan, amid spread of coronavirus disease (COVID-19) outbreak, at the market in Hamarweyne district of Mogadishu, Somalia May 22, 2020. REUTERS/Feisal Omar

A woman wears a protective face mask as she buys meat for making traditional food ahead of Eid al-Fitr celebrations at the traditional market amid the coronavirus disease (COVID-19) outbreak in Jakarta, Indonesia, May 22, 2020. REUTERS/Ajeng Dinar Ulfiana

People wearing protective face masks are seen as they buy new clothes ahead of Eid al-Fitr celebrations at the traditional market amid the coronavirus disease (COVID-19) outbreak in Jakarta, Indonesia, May 22, 2020. REUTERS/Ajeng Dinar Ulfiana

People wearing protective face masks buy meat for making traditional food ahead of Eid al-Fitr celebrations at the traditional market amid the coronavirus disease (COVID-19) outbreak in Jakarta, Indonesia, May 22, 2020. REUTERS/Ajeng Dinar Ulfiana

A man wearing a protective face mask shops at a market amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, May 22, 2020. REUTERS/Susana Vera

A mannequin wearing a protective face mask is seen at a market as Palestinians prepare for the upcoming holiday of Eid al-Fitr marking the end of Ramadan, amid concerns about the spread of the coronavirus disease (COVID-19), in Jenin in the Israeli-occupied West Bank May 22, 2020. REUTERS/Mohamad Torokman

A woman walks past a panel displaying the afternoon trading Hang Seng Index, after Beijing's plans to impose national security legislation in Hong Kong, China May 22, 2020. REUTERS/Tyrone Siu

A woman stands in front of a panel displaying the afternoon trading Hang Seng Index, after Beijing's plans to impose national security legislation in Hong Kong, China May 22, 2020. REUTERS/Tyrone Siu

People shop at a fresh produce market during the outbreak of the coronavirus disease (COVID-19), in Guatemala City, Guatemala May 21, 2020. REUTERS/Luis Echeverria

People shop at a fresh produce market during the outbreak of the coronavirus disease (COVID-19), in Guatemala City, Guatemala May 21, 2020. REUTERS/Luis Echeverria

Personnel from Guatemala's health ministry perform a test on a woman at a fresh produce market during the outbreak of the coronavirus disease (COVID-19), in Guatemala City, Guatemala May 21, 2020. REUTERS/Luis Echeverria

Personnel from Guatemala's health ministry perform a test on a vendor at a fresh produce market during the outbreak of the coronavirus disease (COVID-19), in Guatemala City, Guatemala May 21, 2020. REUTERS/Luis Echeverria

Street vendor Jose Antonio Guardado holds discarded vegetables and fruits he picked up at a market, outside his home in a low-income neighbourhood where many have lost their income since the government suspended the movement due to the coronavirus disease (COVID-19) outbreak, in San Salvador, El Salvador May 14, 2020. Picture taken May 14, 2020. REUTERS/Jose Cabezas

Palestinians, some wearing masks, walk past shops ahead of the upcoming holiday of Eid al-Fitr marking the end of Ramadan, as coronavirus disease (COVID-19) prevention restrictions ease, at a market in Jerusalem's Old City May 21, 2020. REUTERS/Ammar Awad

Palestinians, some wearing masks, walk past shops ahead of the upcoming holiday of Eid al-Fitr marking the end of Ramadan, as coronavirus disease (COVID-19) prevention restrictions ease, at a market in Jerusalem's Old City May 21, 2020. REUTERS/Ammar Awad

Street vendor wearing a protective face mask prepares drinks for sale amid the spread of the coronavirus disease (COVID-19) at Jatinegara, traditional market in Jakarta, Indonesia, May 21, 2020. REUTERS/Willy Kurniawan

A Palestinian man releases soap bubbles at a market as Palestinians prepare for the upcoming holiday of Eid al-Fitr marking the end of Ramadan, amid concerns about the spread of the coronavirus disease (COVID-19) in Bethlehem in the Israeli-occupied West Bank May 19, 2020. Picture taken May 19, 2020. REUTERS/Mussa Qawasma

A man sits near goods at a market as Palestinians prepare for the upcoming holiday of Eid al-Fitr marking the end of Ramadan, amid concerns about the spread of the coronavirus disease (COVID-19) in Khan Younis in the southern Gaza Strip May 19, 2020. Picture taken May 19, 2020. REUTERS/Ibraheem Abu Mustafa

A mannequin wearing a protective face mask is seen at a market as Palestinians prepare for the upcoming holiday of Eid al-Fitr marking the end of Ramadan, amid concerns about the spread of the coronavirus disease (COVID-19) in Bethlehem in the Israeli-occupied West Bank May 19, 2020. Picture taken May 19, 2020. REUTERS/Mussa Qawasma

A Palestinian woman wearing a mask shops at a market ahead of the upcoming holiday of Eid al-Fitr marking the end of Ramadan, amid concerns about the spread of the coronavirus disease (COVID-19) in Bethlehem in the Israeli-occupied West Bank May 19, 2020. Picture taken May 19, 2020. REUTERS/Mussa Qawasma

Plexiglass sheets help protect cashiers during the coronavirus disease (COVID-19) outbreak at the Tiger Market in Oxon Hill, Maryland, U.S. May 20, 2020. REUTERS/Jonathan Ernst

Mic’Kale Smith, who works as a security guard but has had to take time off to care for her son during the coronavirus disease (COVID-19) outbreak, wears a face mask as she shops with her son Da’Mier at the Tiger Market in Oxon Hill, Maryland, U.S. May 20, 2020. REUTERS/Jonathan Ernst

A clerk wears a mask as he stocks drinks during the coronavirus disease (COVID-19) outbreak at the Tiger Market in Oxon Hill, Maryland, U.S. May 20, 2020. REUTERS/Jonathan Ernst

People wearing face masks as a preventive measure against the spread of the coronavirus disease (COVID-19) shop at a street market, in Buenos Aires, Argentina May 20, 2020. REUTERS/Agustin Marcarian

People queue following social distance rules as a preventive measure against the spread of the coronavirus disease (COVID-19) at a street market, in Buenos Aires, Argentina May 20, 2020. REUTERS/Agustin Marcarian

A worker disinfects an area as a preventive measure against the coronavirus disease (COVID-19), at a street market, in Buenos Aires, Argentina May 20, 2020. REUTERS/Agustin Marcarian

A woman pays in a shop protected with a tape as a preventive measure against the spread of the coronavirus disease (COVID-19) at a street market, in Buenos Aires, Argentina May 20, 2020. REUTERS/Agustin Marcarian

People queue following social distance rules as a preventive measure against the spread of the coronavirus disease (COVID-19) at a street market, in Buenos Aires, Argentina May 20, 2020. REUTERS/Agustin Marcarian

The German share price index DAX graph is pictured at the stock exchange in Frankfurt, Germany, May 20, 2020. REUTERS/Staff

Men, who's job it is to transport seafood between boats and Caraguay market, wait on some steps as they work during the coronavirus disease (COVID-19) outbreak, in Guayaquil, Ecuador, April 21, 2020. REUTERS/Santiago Arcos SEARCH "RURAL ECUADOR COVID-19" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A man who's job it is to transport seafood between boats and Caraguay market, carries a pallet of crabs to Caraguay Market, during the coronavirus disease (COVID-19) outbreak, in Guayaquil, Ecuador, April 21, 2020. REUTERS/Santiago Arcos SEARCH "RURAL ECUADOR COVID-19" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.