conditions has made investors nervous as uncertainty about the timing of a US rate hike continues. We think that a rate hike could still be announced in December," said Robert Parkes, equity strategist at HSBC.But Michael Hewson, chief strategist at CMC Markets, said: "The Fed's rather downbeat outlook came as an unwelcome surprise, and it's likely to take a while for investors to figure out whether the Fed is seeing something that the rest of us aren't.