If you're planning to stop by your local Sam's Club to pick up groceries on Sunday, you'll have more time to shop. The member-based warehouse chain is expanding its Sunday hours to 8 a.m. to 8 p.m.

The holiday season is one of Walmart’s busiest times, and knowing when stores are open (or closed) can save you a last-minute headache. From Thanksgiving closures to Black Friday openings, here’s a ...