That would lead to a rise in bond yields and in turn start to make equities look unattractive. If that happens on Wall Street, it's going to happen here in the UK, it's going to happen in Europe, and everywhere else.
The key thing is to make sure the consumer doesn't start flagging,
We've seen a bit of profit-taking (in the U.S.). I don't think this is the start of a serious decline in global equity markets.