think what the sentiment was before he started speaking. given the last set of miinutes and the 50 bp move the market was beginning to think that they had maybe done enough on the rates side and were going to do QE. In the US bond market they have been effectively darig the Fed to go ahead with promises of buying t's by selling them off, playing cat and mouse and gilt effectively followed.
so on merv saying we will cut more nad we will be undertaking QE as early as next week that sent sterling flying and more so longer dated debt, i.e. gilts.