What Am I Riddles

Question: Rarely touched but often held If you have wit, you'll use me well What am I?

Question: I'll amuse you for an entire evening, But you won't remember me. What am I?

Question: I rise and fall no matter what, only at finals rest do I not budge, what am I?

Question: I am in everything and in nothing, what am I?

Question: Some people peel my skin some people don't, you eat me nevertheless, with or without, what am I?