A voter casts a ballot on Tuesday at Jennings Senior High School in Jennings, Mo., a St. Louis suburb. Voters passed an amendment to Missouri's constitution that opens the door to redrawing state legislative districts that don't take into account children, noncitizens and other residents who are not eligible to vote. Michael B. Thomas/Getty Images hide caption

Even before becoming president-elect, Joe Biden has been working on a coordinated, national plan for fighting the coronavirus. Among other things, it will empower scientists at the Centers for Disease Control and Prevention to help set national, evidence-based guidance to stop outbreaks. Drew Angerer/Getty Images hide caption

Vice President-elect Kamala Harris (left) and California Gov. Gavin Newsom in 2018. Newsom will appointment a successor to Harris in the Senate, a highly coveted seat among California Democrats. Damian Dovarganes/AP hide caption

Residents hold placards with the portrait of of Vice President-elect Kamala Harris, as they celebrate her election victory in her ancestral village of Thulasendrapuram in the southern Indian state of Tamil Nadu on Saturday. STR/AFP via Getty Images hide caption

Used vehicles are parked on the sales lot at a CarMax store on Sept. 24 in Colma, Calif. CarMax reported a surge in earnings after used-car prices climbed steadily — and surprisingly — for months. Justin Sullivan/Getty Images hide caption

The exterior of the New York Stock Exchange last week. Stocks surged after Pfizer said its experimental COVID-19 vaccine was more than 90% effective and after former Vice President Joe Biden was elected president. Kena Betancur/AFP via Getty Images hide caption