What moves increase a stat by +3-6 or - 3-6?

Question

Moves such as Tail Glow and Belly Drum. What moves increase or decrease a stat by more that 2 stages?

Answer 1

Belly drum, Cotton Guard and Tail Glow

also Anger Point but that is an ability.

Source: http://bulbapedia.bulbagarden.net/wiki/Stats

///Jofly