Macy's and Kohl's show signs of a comeback but the threat of Amazon looms large - NewsBreak

Subscribe to Fortune Daily to get essential business stories straight to your inbox each morning. Macy's and Kohl's on Thursday posted strong quarterly results showing there is plenty of life left in those well established retailers. But news reports of Amazon diving into the department store world provided a fresh reminder that they cannot let up in their turnaround efforts even for a second.