Krispy Kreme tumbles after wider-than-expected quarterly loss

** Shares of Krispy Kreme DNUT.O down 12% at $3 premarket

** Posts Q2 loss of 15c/shr vs 3 c/shr analysts' estimate -data compiled by LSEG

** DNUT takes $356 mln non-cash goodwill impairment charge from failed McDoanald's MCD.N partnership

**In March, the company partnered with MCD to sell its donuts as part of breakfast menu but ended it in July

** Co expects to begin recouping profitability in Q3

** Up to last close, stock down 65.56% YTD