Dollar Tree, which has stores under the brands Family Dollar, and Dollar Tree Canada and its namesake, was operating 16,397 stores across 48 states and five Canadian provinces as of May 4.

Dollar Tree expects full-year earnings between $6.50 and $7 per share on revenue in a range of $31 billion to $32 billion. Wall Street is looking for earnings of $6.89 per share on revenue of $31. ...

Dollar Tree acquired Family Dollar nearly a decade ago for more than $8 billion after a bidding war with rival Dollar General. But the company has had difficulty incorporating Family Dollar into its ...