This article was automatically generated by MarketWatch using technology from Automated Insights.
Shares of Costco Wholesale Corp. (COST) rose 2.62% to $1,076.47 Monday, on what proved to be an all-around mixed trading session for the stock market, with the Dow Jones Industrial Average rising 0.32% to 49,686.12 and the S&amp;P 500 Index falling 0.07% to 7,403.05.
This was the stock's fifth consecutive day of gains.
Costco Wholesale Corp. hit a new 52-week high, surpassing its previous peak of $1,067.08, which the company reached on June 3rd.
The stock outperformed some of its competitors Monday, as Amazon.com Inc. (AMZN) rose 0.27% to $264.86, Walmart Inc. (WMT) rose 1.44% to $133.34, and Target Corp. (TGT) rose 1.53% to $123.40.
Trading volume (2.2 M) eclipsed its 50-day average volume of 1.8 M.
Data source: Dow Jones Market Data, FactSet. Data compiled May 18, 2026.
This content was created by MarketWatch, which is operated by Dow Jones &amp; Co. MarketWatch is published independently from Dow Jones Newswires and The Wall Street Journal.
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05-18-26 1631ET

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Costco Wholesale Corp. (COST) shares rose 2.62% to $1,076.47, marking the fifth consecutive day of gains and hitting a new 52-week high. This performance outpaced competitors like Amazon, Walmart, and Target during a mixed trading session. The Dow Jones increased by 0.32%, while the S&P 500 fell by 0.07%. Trading volume for Costco reached 2.2 million, above its 50-day average of 1.8 million.

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Costco Wholesale Corp. Stock Outperforms Competitors On Strong Trading Day