This report is from this week's CNBC's UK Exchange newsletter. Like what you see? You can subscribe here. Buried in my loft, alongside decades-old reporter's notebooks, is a collection of volumes each about the size of a copy of Vanity Fair — albeit not as glossy — containing lists of brokers' analysts. Beside individual names, listed by the sectors they covered, are my handwritten notes — the analyst's (or their market maker's) direct phone number, plus observations on the individual, such as "