Some amulets/jewelery add an IMMENSE amount of increased % damage such as mara's koleidescope, and I'm under the impression these were designed prior to the skills being based on weapon damage which was changed as of today... I wish the designers would create the game they wanted to create, rather than listen to whiners and make changes without thoroughly thinking them through.
http://us.battle.net/d3/en/item/maras-kaleidoscope wtf?