Should investors look at the UK's biggest or smallest companies?

When you consider the number of problems we've endured over the past year, it's fair to say the FTSE 100's performance has been remarkably stoic. Soaring inflation, rapidly rising interest rates, the war in Ukraine, and the revolving doors of No.10 Downing Street have failed to halt its surge. In fact, the index of the UK's largest companies come close to an all-time high late last month, which is extraordinary given looming expectations of a recession. So, what's happening? Well, there are a number of reasons for the FTSE's success. Firstly, the UK's largest 100 companies have mana...