Unlock the Editor’s Digest for freeRoula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter.This article is an on-site version of our Unhedged newsletter. Sign up here to get the newsletter sent straight to your inbox every weekdayGood morning. The European Central Bank decided to raise interest rates by a quarter point yesterday, to an all-time high of 4 per cent. The currency markets responded to the bank’s firmness by sending the Euro down against the..