For 10 days, while the markets were cratering as if they themselves had contracted a very serious case of coronavirus, Fed officials made all of their Fed-y reassuring mouth sounds: We’re keeping an eye on things, we’ll do something if it’s warranted, but it’s not yet, so just calm down. And then the markets did, soaring yesterday and continuing that rise today. At least until, after watching everyone else—including the White House, which although it wants to make clear thinks this whole China-virus or whatever things is totally overblown and invented like climate change to hurt the Dear Leader, did think that Jay Powell & co. were doing their typically horrible job containing a thing that Larry Kudlow said was already contained and oh yea doesn’t exist anyway—overreact for a week and a half, the Fed decided it would like to go a little nuts itself.