The dow has risen 80 points over the course of the testimony.
That's telling.
That people thought it made it more likely that Trump would go and that the do-nothing GOP might pass something?
Or maybe that people thought this would ensure that the GOP would not be able to put anything damaging to the economy into law?
Or most likely, 80 points on the Dow these days is statistical noise. Even if it were significant, there's plenty of reasons one could plausibly give for the effect.
pretty sure it's noise. Been up and down since - Dow up 8 right now, Nasdaq up 21 S & P Unchanged