Equity trades worth billions of pounds are made everyday in London's financial district. In a new FT video series, City editor Jonathan Guthrie looks at the formulas behind stock valuations and what investors are willing to pay for shares
► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs
For more video content from the Financial Times, visit http://www.FT.com/video
Twitter https://twitter.com/ftvideo
Facebook https://www.facebook.com/financialtimes
