answer: John tells Pete he is doing some trading called Forex. John earns a lot by buying and selling currencies with a little money, so Pete also wants to try it.
documents: #Person1#: Hey, John! I haven't seen you in ages! What's new? What have you been up to?
  #Person2#: Pete! Nice to see you Well, on top the norm, you know, wife and kids and work, I'Ve actually gotten into doing some trading.
  #Person1#: Trading? You, big guy? What are you trading?
  #Person2#: Currencies.
  #Person1#: Currencies? As in Euros, Dollars, Pounds and Rupees?
  #Person2#: It's called Forex. Foreign Exchange. The great thing about it is that I don't have to invest a huge amount. I put in a margin deposit and then I can buy and sell up to 100 times that much!
  #Person1#: I don't understand. You're buying and selling money?
  #Person2#: You got it! Just last night I made USD 150!
  #Person1#: Last night?
  #Person2#: Yeah! It's a 24 hour market! I had bought some RMB earlier at a low asking price but last night it appreciated drastically so I made a split second decision and sold all my RMB at an amazing bid! I'
  #Person1#: You're kidding! I'm on! Where do I sign up?