Will restaurants and stores be open on MLK Day? Most restaurants and stores will be open Monday, and many will hold sales over the holiday weekend. Is Costco open on MLK Day? Even though Costco ...

Retail and grocery Major US retailers and grocers — such as Target, Walmart and Kroger — will be open on MLK Day. Wholesale retailers Costco and Sam’s Club will also be open Monday.

NEW YORK — Monday, Jan. 20, commemorates the birthday of the Rev. Martin Luther King Jr. This year, the holiday coincides with President-elect Donald Trump’s inauguration, though the majority ...