Two signals will help set the bottom.
Firstly: stimulus. The package congress is hoping to pass by is bigger than the 2008 bailout and represents 7% of GDP. Lawmakers have put themselves on a very tight timeline. However, bickering and delays could surely stoke the downdraft.
The second is as important and remains murky: peak infection. If China earlier this year or the SARS epidemic (2003) is a guide, markets could stabilize within days of peak infection. In China, that was on February 13, about three weeks after draconian 'shelter-in-place' government mandates took effect.
For now, we are looking to heath care (and TIPS*) as safer spots.
Positive feedback to our link on good corona news compels us to share another.
To help us enjoy our weekends and not go crazy, here's an article on the benefits of going outside - whilst practicing social distancing of course.
*A longer and less obvious conversation we'll have soon.