Money Food prices soar to highest one-month increase since 1974; price of eggs up 16% in April May 21, 2020 Detroit Free Press Comments Off on Food prices soar to highest one-month increase since 1974; price of eggs up 16% in April As Americans stayed home because of the COVID-19 pandemic, they cooked at home more, driving prices up. Grocery prices rose 4.1% in April.