U.S. Vice President-elect Kamala Harris waves as she visits the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris waves as she visits the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris talks to people as she visits the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris claps hands as she and her husband Doug Emhoff visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris, her husband Doug Emhoff and District of Columbia Mayor Muriel Bowser visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris talks to the media after visiting the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris talks to her husband Doug Emhoff as they and District of Columbia Mayor Muriel Bowser visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris looks on as she and District of Columbia Mayor Muriel Bowser visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris waves as she and District of Columbia Mayor Muriel Bowser visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris talks to a person as she and District of Columbia Mayor Muriel Bowser visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris and District of Columbia Mayor Muriel Bowser visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris talks to the media after visiting the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris talks to the media after visiting the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris talks to the media after visiting the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris waves as she holds a T-shirt alongside her husband Doug Emhoff during a visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris and District of Columbia Mayor Muriel Bowser visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris and her husband Doug Emhoff look on as they visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris and her husband Doug Emhoff pose for a picture with a T-shirt as they visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris and her husband Doug Emhoff pose for a picture as they hold a T-shirt while visiting the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris waves as she visits the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris and her husband Doug Emhoff look on as they visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay

U.S. Vice President-elect Kamala Harris and her husband Doug Emhoff hold a T-shirt as they visit the Downtown Holiday Market in Washington, U.S., November 28, 2020. REUTERS/Hannah Mckay TPX IMAGES OF THE DAY

Combination picture shows a tree illuminated as people visit the traditional Christmas market at the Old Town Square in Prague, Czech Republic, December 1, 2019 and the square after the market being cancelled due to COVID-19 concerns in Prague, November 28, 2020. REUTERS/David W Cerny

A Christmas tree is illuminated as the traditional Christmas market has been cancelled at the Old Town Square in Prague due to COVID-19 concerns, Czech Republic, November 28, 2020. REUTERS/David W Cerny

A Christmas tree is illuminated as the traditional Christmas market has been cancelled at the Old Town Square in Prague due to COVID-19 concerns, Czech Republic, November 28, 2020. REUTERS/David W Cerny

A Christmas tree is illuminated as the traditional Christmas market has been cancelled at the Old Town Square in Prague due to COVID-19 concerns, Czech Republic, November 28, 2020. REUTERS/David W Cerny

A Christmas tree is illuminated as the traditional Christmas market has been cancelled at the Old Town Square in Prague due to COVID-19 concerns, Czech Republic, November 28, 2020. REUTERS/David W Cerny

A Christmas tree is illuminated as the traditional Christmas market has been cancelled at the Old Town Square in Prague due to COVID-19 concerns, Czech Republic, November 28, 2020. REUTERS/David W Cerny

Sixty-seven-year-old Geoffrey Hurren, who survived a coronavirus infection, sits on banana boxes at the fruit and vegetable stall his family have been running for over 100 years at North End Road market following the outbreak of the coronavirus disease (COVID-19) in Fulham, London, Britain, November 28, 2020. REUTERS/Kevin Coombs

Sixty-seven-year-old Geoffrey Hurren, who survived a coronavirus infection, sits on banana boxes at the fruit and vegetable stall his family have been running for over 100 years at North End Road market following the outbreak of the coronavirus disease (COVID-19) in Fulham, London, Britain, November 28, 2020. REUTERS/Kevin Coombs

A speaker talks about the stock market during 2020 Taipei International Finance Expo in Taipei, Taiwan, November 27, 2020. REUTERS/Ann Wang

People wearing face masks walk?at a traditional market amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, November 27, 2020. REUTERS/Heo Ran

People wearing face masks walk at a traditional market amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, November 27, 2020. REUTERS/Heo Ran

A woman wearing a face mask walks at a traditional market amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, November 27, 2020. REUTERS/Heo Ran

People smoke marijuana joints while protesting against the cannabis legalization bill approved by Mexico's Senate as a way to a market that would benefit big companies, outside Congress building in Mexico City, Mexico, November 26, 2020. REUTERS/Edgard Garrido

People hold marijuana plants while protesting against the cannabis legalization bill approved by Mexico's Senate as a way to a market that would benefit big companies, outside Congress building in Mexico City, Mexico, November 26, 2020. REUTERS/Edgard Garrido

A woman smokes a marijuana joint while protesting against the cannabis legalization bill approved by Mexico's Senate as a way to a market that would benefit big companies, outside Congress building in Mexico City, Mexico, November 26, 2020. REUTERS/Edgard Garrido

Marijuana leaves are pictured while people protest against the cannabis legalization bill approved by Mexico's Senate as a way to a market that would benefit big companies, outside Congress building in Mexico City, Mexico, November 26, 2020. REUTERS/Edgard Garrido

A man holds a flag while protesting against the cannabis legalization bill approved by Mexico's Senate as a way to a market that would benefit big companies, outside Congress building in Mexico City, Mexico, November 26, 2020. REUTERS/Edgard Garrido

Men smoke marijuana joints while protesting against the cannabis legalization bill approved by Mexico's Senate as a way to a market that would benefit big companies, outside Congress building in Mexico City, Mexico, November 26, 2020. REUTERS/Edgard Garrido

The German share price index DAX graph is pictured at the stock exchange in Frankfurt, Germany, November 26, 2020. REUTERS/Staff

People shop at a market as the spread of the coronavirus disease (COVID-19) continues in Taipei, Taiwan, November 26, 2020. REUTERS/Ann Wang

A man buys cooking oil at a market in Harare, Zimbabwe, November 26, 2020. REUTERS/Philimon Bulawayo

People walk past a money-changers sign at a market in Harare, Zimbabwe, November 26, 2020. REUTERS/Philimon Bulawayo

People walk past a money-changers sign at a market in Harare, Zimbabwe, November 26, 2020. REUTERS/Philimon Bulawayo

Christmas trees are seen on display at a traditional market amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, November 26, 2020. REUTERS/Kim Hong-Ji

A Santa Claus toy is seen on display at a traditional market amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, November 26, 2020. REUTERS/Kim Hong-Ji

A shopkeeper waits for customers next to Christmas decorations at a traditional market amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, November 26, 2020. REUTERS/Kim Hong-Ji

A shopkeeper waits for customers behind dried fish at a traditional market amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, November 26, 2020. REUTERS/Kim Hong-Ji

Women buy donuts at a traditional market amid the coronavirus disease (COVID-19) pandemic in Seoul, South Korea, November 26, 2020. REUTERS/Kim Hong-Ji

People wearing face masks following the coronavirus disease (COVID-19) outbreak visit the Xinfadi wholesale market in Beijing, China November 26, 2020. REUTERS/Florence Lo

Vendors wearing face masks following the coronavirus disease (COVID-19) outbreak sell pork at the Xinfadi wholesale market in Beijing, China November 26, 2020. REUTERS/Florence Lo

A car drives past a closed and empty hall for frozen food at Xinfadi wholesale market, following the coronavirus disease (COVID-19) outbreak in Beijing, China November 26, 2020. REUTERS/Florence Lo

People wearing protective face masks walk at a local market, amid the spread of the coronavirus disease (COVID-19), in Istanbul, Turkey November 25, 2020. REUTERS/Murad Sezer

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

European Commissioner for Internal Market and Services Thierry Breton and European Executive Vice-President Margrethe Vestager (not seen) give a news conference on the Data Governance Act at the European Commission in Brussels, Belgium November 25, 2020. Stephanie Lecocq/Pool via REUTERS

A Wall St. sign is seen near the New York Stock Exchange (NYSE) in the financial district in New York, U.S., November 24, 2020. REUTERS/Brendan McDermid

The U.S. flag is seen on a building on Wall St. in the financial district in New York, U.S., November 24, 2020. REUTERS/Brendan McDermid

A trader exits the New York Stock Exchange (NYSE) in New York, U.S., November 24, 2020. REUTERS/Brendan McDermid

A trader talks on his phone outside the New York Stock Exchange (NYSE) in New York, U.S., November 24, 2020. REUTERS/Brendan McDermid