Quote from Lawrence Chan:
It may not be wise trading at all as breaking news always coming out at surprise times ... both long and short sides.
Have real stops in place should help if you have to trade.
Quote from wave:
These types of days are a momentum traders pay days. Intra-day mean-reversion traders best to revert with the momentum until the volatility returns to normal or widen up your levels.
A break of 1200 will be ugly.