I need to tell you something, but I need you to promise me first that it stays with you. Just you. If it goes anywhere it'll follow me, so if you can't promise that, I'm not going to say it." It is 4:38 on a Thursday afternoon when one of your analysts closes your door and sits down. She is calm, and she means it. You have about five seconds to decide. Refuse, and she may walk out and tell nobody. Whatever is happening carries on happening. A principled refusal that leave

It is 9:47 on a Tuesday morning. Yesterday, you did something completely ordinary. You looked at XYZ plc, decided it was worth owning, and placed a limit order to buy at £10.00 for the firm's book. The stock was trading at £10.20 at the time. Nothing clever, nothing dramatic just a routine investment decision made in good faith, with nothing in your head but your own analysis. Then this morning happened. A few minutes ago, inside information landed on your desk. XYZ is going