Apple raising prices put an underscore on the issue. If you're looking for inflation to back off because oil is coming down, now you're getting goods inflation from technology, which hasn't been the case historically - technology has generally gotten cheaper, not more expensive. These margins are probably not sustainable and are now problems for other people.
There was a moment of realization. With the cessation of Iran issues and oil back in transit, all the other fears that were being ignored are coming back to the fore.