CBOT corn futures tumble

Chicago Board of Trade corn futures tumbled to life-of-contract lows on Thursday as the spread of coronavirus fueled fears about a potential hit to global economic growth, traders said.

Expectations for a big crop in Brazil added pressure.

Global stocks and oil prices fell sharply and US Treasury yields hit record lows as traders fretted over the economic impact of the virus, which has infected about 80,000 people globally and killed more than 2,700.