The FT's Katie Martin on what to watch for in the markets, including sterling holding firm after one of its biggest rallies since the financial crisis, Turkey's interest rate decision and the Federal Reserve's Janet Yellen testifying to Congress. <br /><br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
