Keep Calm and Stay Long!  Yikes!

The FT’s US markets editor Michael Mackenzie tells John Authers that the positive response from the market following the appearance before Congress of Janet Yellen, the nominee for US Federal Reserve chairwoman, has successfully opened the door for a rally through the end of the year.

For more video content from the Financial Times, visit http://www.FT.com/video

(click here if video is not observable)