Commerce - Product and Total Price(s) on summary page not being updated by rule
It's best to use separate questions for separate issues here. The one from the title is almost certainly due to a regression introduced in Rules 2.8 and documented in the Commerce 7.x-1.11 release notes: https://www.drupal.org/node/2408705

You can downgrade to Rules 2.7 until a fix is put into Rules.