The malls are primarily those that are not high-end or low-end.
Earlier this year, D.J. Busch, senior analyst at Green Street Advisers, said to the New York Times, "It is very much a haves and have-nots situation."
"Middle-level stores in middle-level malls are going to be extinct because they don't make sense," Howard Davidowitz, chairman of Davidowitz & Associates, Inc., a retail consulting and investment banking firm, said last year.