Costco is closed on the Fourth of July, but some other major retailers are operating with modified hours. See the full list.

The popular athleisure fashion brand is accusing the wholesale giant of selling knockoff versions of a variety of the brand's most popular hoodies, jackets and pants.

Lululemon is suing Costco, alleging the wholesale retailer knowingly sold knockoff versions or dupes of its popular products.

A California woman seeks $14 million in damages after allegedly suffering a traumatic brain injury from a falling liquor cabinet display at Costco's Santa Rosa location.

Costco is the latest retailer to test scan-and-go technology that lets customers skip long checkout lines.

Costco is introducing its own "Buy Now, Pay Later" program with partner Affirm.

Costco is offering the popular payment plan on select purchases with partner Affirm.

Wholesale retailer Costco plans to open a dozen more stores across the U.S. in 2025.

The Teamsters Costco union strike vote passed with 85% of members voting in favor of the walkout.

Retailers like Costco and Walmart are selling precious metals including platinum bars, driving a new demand for precious metals.

Costco and Acme Smoked Fish Corp. have issued a voluntary recall for some of their Kirkland Signature Smoked Salmon products.

Handsome Brook Farms issued a voluntary recall on organic pasture-raised eggs distributed to Costco and sold under the Kirkland label.

A video of a 4-year-old’s excited reaction to his birthday present has gone viral on TikTok.

There were approximately 10,800 retail units of the affected eggs sold at 25 Costco stores in five states beginning on Nov. 22.

Costco and manufacturer LNK International, Inc. are recalling some boxes of Kirkland Signature Severe Cold & Flu Plus Congestion caplets.

Teamsters union members working at Costco Wholesale locations across the country voted to authorize a strike on Sunday, with more than 85% of members in favor of hitting the picket lines.

The Teamsters union released the results of the strike vote on Sunday evening.

The affected egg products were distributed starting Nov. 22 at Costco stores in Alabama, Georgia, North Carolina, South Carolina and Tennessee, the company said.

Costco announced it will raise the membership fees in the U.S. and Canada starting Sept. 1, 2024.

ABC's Elizabeth Schulze has all the details on the price hike and ways you can still save on your purchases.

The members-only warehouse will roll out scanners at entrances to verify identification to stop shoppers from using other people's memberships to get inside.

Costco Wholesale will add membership scanners to combat customers who have shared their card to let friends shop.

Costco members have struck gold at the big box retailer, which sells 24-karat 1-ounce gold bars.

A report from Wells Fargo says 1 ounce gold bars are now generating up to $200 million a month in sales for Costco.

Costco members in the U.S. will soon have access to a weight loss program through Sesame, a health care marketplace.

ABC News’ Linsey Davis spoke with Costco superfans David and Susan Schwartz on what they learned about the wholesale retailer after traveling to over 250 Costco stores around the world.

"They're typically gone within a few hours," a Costco executive said.

Novaform ComfortGrande and DreamAway mattresses that were sold exclusively at Costco have been recalled due to the risk of possible mold exposure.