"A News Event is carried out immediately, and before proceeding with the Production Roll phase."
"In the event that a Production Roll has caused the Dice Difference Track to equal or exceed 8, the economy has changed."
Then you produce/resolve "hits."
Bear in mind that this question dates back to 2009, prior to the most recent edition of the game, which made some changes to the rules. For example there was no Dice Difference Track in earlier editions.