There are two major trading markets for exchanging financial assets: the spot market and the futures market. Financial assets are traded quickly in the spot market, and the transaction is carried out at the holder’s discretion. The deal in futures is settled at a later date.

 ©2015 Bloomberg News NYQY7R6KLVRB (Bloomberg) — U.S. stocks fell the most in two weeks as crude plunged past $40 a barrel to send energy shares tumbling. Treasuries fell after Federal Reserve Chair Janet Yellen indicated increasing confidence in the economy two weeks before central bank officials meet. The Standard &