BOSTON, Oct. 5, 2018 /PRNewswire/ -- Block & Leviton LLP (www.blockesq.com), a securities litigation firm representing investors nationwide, is investigating whether Costco Wholesale Corporation ("Costco" or the "Company") COST and certain of its officers and directors violated federal securities laws.

On October 4, 2018, Costco issued a press release stating that it "expects to report a material weakness in internal control. The weakness relates to general information technology controls in the areas of user access and program change-management over certain information technology systems that support the Company's financial reporting processes."

Following this news, the Company's stock dropped nearly 3% in after-hours trading.

If you have purchased or otherwise acquired Costco securities and have questions about your legal rights, or possess information relevant to this investigation, you are encouraged to contact attorneys John DeFelice or Jake Walker at (888) 868-2385, by email at john@blockesq.com or jake@blockesq.com, or by visiting http://blockesq.com/contact.

Block & Leviton LLP was recently ranked 4th among securities litigation firms by ISS for recoveries in 2017. The firm represents many of the nation's largest institutional investors and numerous individual investors in securities litigation throughout the country. Indeed, its lawyers have recovered billions of dollars for its clients.

This notice may constitute attorney advertising.

CONTACT:

BLOCK & LEVITON LLP
John DeFelice
(617) 398-5600 phone
155 Federal Street, Suite 400
Boston, MA 02110
john@blockesq.com

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SOURCE Block & Leviton LLP