Stress is beginning to take shape in corporate debt markets as the spread of the coronavirus chokes off crucial sales and revenues to companies — and the problems could accelerate if these companies find themselves unable to obtain funding in the coming weeks and months, according to JPMorgan analysts.

“The economic fallout from the Covid-19 crisis is raising questions about credit and funding markets,” according to a research note from a JPMorgan team led by global markets strategists Nikolaos Panigirtzoglou and Mika Inkinen.