Industry conferences and trade shows

Security guards wearing masks and armed with restrainers stand guard at the entrance to the Auto China 2020 show in Beijing, China on Saturday, Sept. 26, 2020. The auto show, the first major in-person sales event for any industry since the coronavirus pandemic began, opens Saturday in a sign the ruling Communist Party is confident China has contained the disease. Still, automakers face intensive anti-virus controls including quarantines for visitors from abroad and curbs on crowd sizes at an event that usually is packed shoulder-to-shoulder with spectators. (AP Photo/Ng Han Guan)

The website of the Canton Fair which delivers live streaming from vendors is seen on a computer screen in Beijing on Friday, June 19, 2020. The twice-a-year fair usually draws more than 180,000 foreign buyers and 60,000 Chinese vendors to the southern city of Guangzhou. But with most foreign visitors barred from China, the event has transformed itself into an e-commerce platform with mini-shopping channels for nearly 8,000 vendors. (AP Photo/Ng Han Guan)

FILE - This May 23, 2019, file photo shows the logo for the Jefferies Financial Group in New York. Jefferies Financial Group announced Sunday, March 29, 2020, that its chief financial officer, Peregrine C. Broadbent, died Sunday from coronavirus complications. He was 56. (AP Photo/Richard Drew, File)

A woman walks past a poster depicting the 1859 painting by Italian artist Francesco Hayez, ll Bacio (The Kiss), hanging on a facade of the Pinacoteca di Brera Museum, in Milan, Italy, Wednesday, March 11, 2020. Italy is mulling even tighter restrictions on daily life and has announced billions in financial relief to cushion economic shocks from the coronavirus. Premier Giuseppe Conte says he will consider requests to toughen an already extraordinary lockdown For most people, the new coronavirus causes only mild or moderate symptoms, such as fever and cough. For some, especially older adults and people with existing health problems, it can cause more severe illness, including pneumonia. (AP Photo/Luca Bruno)

A man wears a mask as he walks in the train station in Florence, Italy, Tuesday, March 10, 2020. Italy entered its first day under a nationwide lockdown after a government decree extended restrictions on movement from the hard-hit north to the rest of the country to prevent the spreading of coronavirus. (Jennifer Lorenzini/LaPresse via AP)

Workers dismantle a booth after that the 90th Geneva International Motor Show (GIMS) is cancelled by Swiss authorities, at the Palexpo in Geneva, Switzerland, Friday, Feb. 28, 2020. The 90th edition of the International Motor Show, scheduled to begin on March 5th, is cancelled due to the advancement of the (Covid-19) coronavirus in Switzerland. The Swiss confederation announced today that all events involving more than 1,000 people would be banned until 15 March. (KEYSTONE/Salvatore di Nolfi)

Game demonstrator Alex Chang, of New York, N.Y., hands only, uses a disinfectant wipe to clean a game console at the Nintendo Switch exhibit, Thursday, Feb. 27, 2020 at the Pax East conference, in Boston. A Nintendo Switch employee said that the coronavirus played a role in taking extra measures to keep gaming equipment clean at the conference. (AP Photo/Steven Senne)

Cars are pictured as workers stop the preparation of the 90th Geneva International Motor Show, GIMS, at Palexpo, in Geneva, Switzerland, Friday, Feb. 28, 2020. The 90th edition of the International Motor Show, scheduled to begin on March 5th, is cancelled due to the advancement of the (Covid-19) coronavirus in Switzerland. The Swiss confederation announced today that all events involving more than 1,000 people would be banned until 15 March. (Salvatore di Nolfi/Keystone via AP)

People walk past an electronic stock board showing Japan's Nikkei 225 index at a securities firm in Tokyo Tuesday, Feb. 18, 2020. Shares have fallen in Asia as the impact from the virus outbreak that began in China deepened, with Apple saying it would fail to meet its profit target and China moving to cancel major events including the Beijing auto show. (AP Photo/Eugene Hoshiko)

In this Monday, Feb. 17, 2020, photo released by Xinhua News Agency, patients infected with the coronavirus take rest at a temporary hospital converted from Wuhan Sports Center in Wuhan in central China's Hubei Province. China reported thousands new virus cases and more deaths in its update Tuesday on a disease outbreak that has caused milder illness in most people, an assessment that promoted guarded optimism from global health authorities. (Xiao Yijiu/Xinhua via AP)