"Signals" are rubbish. The market is irrational and will change its mind at random.

This is, however, one of many indicators of an overall wobbling system. It would be a good time, not make the line go up, but to look for ways to stabilize the economy as a whole.

Which is unfortunately a hard question. One could theorize that we should do different things than the thing we've been doing for the past year or so, but of course there will be many who say that we just haven't done it hard enough yet.