Today I decided to talk to you about stock market indices. We have just returned from our walk outside, and somehow Luca's little face in the stroller was asking me to explain exactly this to him. Laura, today you spent 40 euros of your own money to buy yourself a children's camera. You were very happy to pay with your card and just as sad initially when you found out that the money you spend from your card disappears forever. It would be so simple, my dear, if the money we s