This report is from this week's CNBC's UK Exchange newsletter. Like what you see? You can subscribe here. It was no surprise, when equity markets first reacted to news of the strikes on Iran , that the U.K.'s FTSE 100 fell by less than all of its major continental European peers. What is often seen as the Footsie's weakness — its defensive assortment of pharmaceutical, utility, tobacco and consumer goods stocks — comes into its own at times of market volatility. Additionally, the index contains