2015 - the year when The Fed hiked rates for the first time in a decade to confirm its own narrative that "everything is awesome" and the US economy can handle 'normalization'.
And/Or
2015 - the worst collapse in US macro-economic data since 2008 on both an absolute and relative to expectations basis.
[3]
It was different this time. The 'new normal' pattern has been an optimistic start to the year which then disappoints into mid-year only to resurge and surprise meteoroconomists in the second half of the year as government fiscal year-end spending and some form of stimulus invariably drove surveys back into optimistic territory.
[4]
That didn't happen in 2015.