State and local officials address the spread of COVID-19. We explore its impact on local businesses and the tanking stock market. And Democratic candidates for Cook County state’s attorney face off.

• US Stocks Plunge as Coronavirus Uncertainty Stalks Market
• Candidate Forum: Kim Foxx Faces 3 Primary Challengers in State’s Attorney Race
• Crain’s Headlines: Trump’s EU Travel Announcement Rattles Airlines
• How the Coronavirus is Impacting Chicago Businesses and Workers