Why has the CSL (ASX:CSL) share price fallen over $7 in a week?

Shares in global biotechnology company CSL Ltd (ASX: CSL) have slipped from a 3-month closing high of $314.88 on 9 November, finishing Wednesday at $307.43.

The CSL share price has lost more than $7 in that time, leading many to scratch their heads as to why.

There…