The twitter accounts for United Press and the New York Post had some humorous declarations of World War III and a banking holiday for all next week.
UPI
@nypost: Federal Reserve head Yellen announces bail-in in emergency meeting, rumored negative rate to be set at 4pm EST today
The hack seemed to give risk trades a lift, for the moment. It was a clever move to hack two separate news organizations and post the same news but the market sorted it quickly.