I don't see how that changes anything. A trader sets their position size and risk according to VIX and ATR etc. This happens everyday whether there are policies enacted or not.
Mmm... It seems to me they do, but they're usually lagging indicators. The cost of living is very tricky because it aims to calculate the cost of living for *everyone* in a given country, but personal situations vary wildly.
This is what he's talking about. All happening within just 4 hours. One misstep and you'd be six-feet under in no time.