Trading: Reading the candlestick and volume behind it

After all the volatility on the markets over the past week or so, a few people have expressed an interest in learning what the charts mean, and how to read them. Nick Addison has kindly put his hand up to teach us his secrets and let us know the technicalities behind the scenes. Along with the data behind the graph, Nick will cover what shorting is, and different ways to do it.