By Camilla Esmund Looking to diversify your portfolio? Interactive Investor’s Camilla Esmund lays out her no-nonsense guide for retail investing in today’s Notebook A no-nonsense guide to retail investingInspired by a close friend who told me there still isn’t enough out there outlining investment options for everyday investors, today I’m doing a no-nonsense guide on what investors put their money into at Interactive Investor (II). There is no ‘perfect’ recipe for splitting your money across investments, but we are the second largest investment platform in the UK, so this should be a good sour…