Wall Street is the world's leading financial centre. What it does and how it fares has a huge impact on the American economy and also on that of the rest of the world. But what exactly is Wall Street? How has it developed? What does it do? How does it work? Who works in it? And who watches over it? This detailed guide looks at every aspect of Wall Street's activities, explaining how much they matter and who does what. It reports on and analyses the highs and lows in Wall Street's development and the regular occurence of financial scandals. It examines the crisis in Wall Street that followed the collapse in the technology boom and the attacks on the World Trade Centre. In short, it provides a complete overview of Wall Street's workings and its importance.