Investors are often baffled by the complexities of the clinical trials process that new drugs and treatments must complete. We shed light on this tricky procedure and provide some investment ideas worth investigation. The new issue of Shares also includes articles on recently floated noise and heat management products business Autins, plus there's coverage of HSS, Laird, Stellar Diamonds, Portmeirion and many more companies, funds, exchange-traded products and investment trusts. The new issue of Shares also asks, and answers, a fundamental question for all investors - how much should you invest